21522480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:603

約数の個数: 160

約数和(自身を含む): 79709184

約数和(自身を除く): 58186704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 552, 557, 560, 644, 690, 805, 840, 920, 966, 1104, 1114, 1288, 1380, 1610, 1671, 1680, 1840, 1932, 2228, 2415, 2576, 2760, 2785, 3220, 3342, 3864, 3899, 4456, 4830, 5520, 5570, 6440, 6684, 7728, 7798, 8355, 8912, 9660, 11140, 11697, 12811, 12880, 13368, 15596, 16710, 19320, 19495, 22280, 23394, 25622, 26736, 31192, 33420, 38433, 38640, 38990, 44560, 46788, 51244, 58485, 62384, 64055, 66840, 76866, 77980, 89677, 93576, 102488, 116970, 128110, 133680, 153732, 155960, 179354, 187152, 192165, 204976, 233940, 256220, 269031, 307464, 311920, 358708, 384330, 448385, 467880, 512440, 538062, 614928, 717416, 768660, 896770, 935760, 1024880, 1076124, 1345155, 1434832, 1537320, 1793540, 2152248, 2690310, 3074640, 3587080, 4304496, 5380620, 7174160, 10761240, 21522480]

約数ペア:

[(1, 21522480), (2, 10761240), (3, 7174160), (4, 5380620), (5, 4304496), (6, 3587080), (7, 3074640), (8, 2690310), (10, 2152248), (12, 1793540), (14, 1537320), (15, 1434832), (16, 1345155), (20, 1076124), (21, 1024880), (23, 935760), (24, 896770), (28, 768660), (30, 717416), (35, 614928), (40, 538062), (42, 512440), (46, 467880), (48, 448385), (56, 384330), (60, 358708), (69, 311920), (70, 307464), (80, 269031), (84, 256220), (92, 233940), (105, 204976), (112, 192165), (115, 187152), (120, 179354), (138, 155960), (140, 153732), (161, 133680), (168, 128110), (184, 116970), (210, 102488), (230, 93576), (240, 89677), (276, 77980), (280, 76866), (322, 66840), (336, 64055), (345, 62384), (368, 58485), (420, 51244), (460, 46788), (483, 44560), (552, 38990), (557, 38640), (560, 38433), (644, 33420), (690, 31192), (805, 26736), (840, 25622), (920, 23394), (966, 22280), (1104, 19495), (1114, 19320), (1288, 16710), (1380, 15596), (1610, 13368), (1671, 12880), (1680, 12811), (1840, 11697), (1932, 11140), (2228, 9660), (2415, 8912), (2576, 8355), (2760, 7798), (2785, 7728), (3220, 6684), (3342, 6440), (3864, 5570), (3899, 5520), (4456, 4830)]