21056556560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{12323}}^1$

素因数の和:12433

約数の個数: 160

約数和(自身を含む): 55454450688

約数和(自身を除く): 34397894128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 53, 62, 65, 80, 104, 106, 124, 130, 155, 208, 212, 248, 260, 265, 310, 403, 424, 496, 520, 530, 620, 689, 806, 848, 1040, 1060, 1240, 1378, 1612, 1643, 2015, 2120, 2480, 2756, 3224, 3286, 3445, 4030, 4240, 5512, 6448, 6572, 6890, 8060, 8215, 11024, 12323, 13144, 13780, 16120, 16430, 21359, 24646, 26288, 27560, 32240, 32860, 42718, 49292, 55120, 61615, 65720, 85436, 98584, 106795, 123230, 131440, 160199, 170872, 197168, 213590, 246460, 320398, 341744, 382013, 427180, 492920, 640796, 653119, 764026, 800995, 854360, 985840, 1281592, 1306238, 1528052, 1601990, 1708720, 1910065, 2563184, 2612476, 3056104, 3203980, 3265595, 3820130, 4966169, 5224952, 6112208, 6407960, 6531190, 7640260, 8490547, 9932338, 10449904, 12815920, 13062380, 15280520, 16981094, 19864676, 20246689, 24830845, 26124760, 30561040, 33962188, 39729352, 40493378, 42452735, 49661690, 52249520, 67924376, 79458704, 80986756, 84905470, 99323380, 101233445, 135848752, 161973512, 169810940, 198646760, 202466890, 263206957, 323947024, 339621880, 397293520, 404933780, 526413914, 679243760, 809867560, 1052827828, 1316034785, 1619735120, 2105655656, 2632069570, 4211311312, 5264139140, 10528278280, 21056556560]

約数ペア:

[(1, 21056556560), (2, 10528278280), (4, 5264139140), (5, 4211311312), (8, 2632069570), (10, 2105655656), (13, 1619735120), (16, 1316034785), (20, 1052827828), (26, 809867560), (31, 679243760), (40, 526413914), (52, 404933780), (53, 397293520), (62, 339621880), (65, 323947024), (80, 263206957), (104, 202466890), (106, 198646760), (124, 169810940), (130, 161973512), (155, 135848752), (208, 101233445), (212, 99323380), (248, 84905470), (260, 80986756), (265, 79458704), (310, 67924376), (403, 52249520), (424, 49661690), (496, 42452735), (520, 40493378), (530, 39729352), (620, 33962188), (689, 30561040), (806, 26124760), (848, 24830845), (1040, 20246689), (1060, 19864676), (1240, 16981094), (1378, 15280520), (1612, 13062380), (1643, 12815920), (2015, 10449904), (2120, 9932338), (2480, 8490547), (2756, 7640260), (3224, 6531190), (3286, 6407960), (3445, 6112208), (4030, 5224952), (4240, 4966169), (5512, 3820130), (6448, 3265595), (6572, 3203980), (6890, 3056104), (8060, 2612476), (8215, 2563184), (11024, 1910065), (12323, 1708720), (13144, 1601990), (13780, 1528052), (16120, 1306238), (16430, 1281592), (21359, 985840), (24646, 854360), (26288, 800995), (27560, 764026), (32240, 653119), (32860, 640796), (42718, 492920), (49292, 427180), (55120, 382013), (61615, 341744), (65720, 320398), (85436, 246460), (98584, 213590), (106795, 197168), (123230, 170872), (131440, 160199)]