21222240

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:229

約数の個数: 192

約数和(自身を含む): 76204800

約数和(自身を除く): 54982560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 19, 20, 24, 26, 30, 32, 38, 39, 40, 48, 52, 57, 60, 65, 76, 78, 80, 95, 96, 104, 114, 120, 130, 152, 156, 160, 179, 190, 195, 208, 228, 240, 247, 260, 285, 304, 312, 358, 380, 390, 416, 456, 480, 494, 520, 537, 570, 608, 624, 716, 741, 760, 780, 895, 912, 988, 1040, 1074, 1140, 1235, 1248, 1432, 1482, 1520, 1560, 1790, 1824, 1976, 2080, 2148, 2280, 2327, 2470, 2685, 2864, 2964, 3040, 3120, 3401, 3580, 3705, 3952, 4296, 4560, 4654, 4940, 5370, 5728, 5928, 6240, 6802, 6981, 7160, 7410, 7904, 8592, 9120, 9308, 9880, 10203, 10740, 11635, 11856, 13604, 13962, 14320, 14820, 17005, 17184, 18616, 19760, 20406, 21480, 23270, 23712, 27208, 27924, 28640, 29640, 34010, 34905, 37232, 39520, 40812, 42960, 44213, 46540, 51015, 54416, 55848, 59280, 68020, 69810, 74464, 81624, 85920, 88426, 93080, 102030, 108832, 111696, 118560, 132639, 136040, 139620, 163248, 176852, 186160, 204060, 221065, 223392, 265278, 272080, 279240, 326496, 353704, 372320, 408120, 442130, 530556, 544160, 558480, 663195, 707408, 816240, 884260, 1061112, 1116960, 1326390, 1414816, 1632480, 1768520, 2122224, 2652780, 3537040, 4244448, 5305560, 7074080, 10611120, 21222240]

約数ペア:

[(1, 21222240), (2, 10611120), (3, 7074080), (4, 5305560), (5, 4244448), (6, 3537040), (8, 2652780), (10, 2122224), (12, 1768520), (13, 1632480), (15, 1414816), (16, 1326390), (19, 1116960), (20, 1061112), (24, 884260), (26, 816240), (30, 707408), (32, 663195), (38, 558480), (39, 544160), (40, 530556), (48, 442130), (52, 408120), (57, 372320), (60, 353704), (65, 326496), (76, 279240), (78, 272080), (80, 265278), (95, 223392), (96, 221065), (104, 204060), (114, 186160), (120, 176852), (130, 163248), (152, 139620), (156, 136040), (160, 132639), (179, 118560), (190, 111696), (195, 108832), (208, 102030), (228, 93080), (240, 88426), (247, 85920), (260, 81624), (285, 74464), (304, 69810), (312, 68020), (358, 59280), (380, 55848), (390, 54416), (416, 51015), (456, 46540), (480, 44213), (494, 42960), (520, 40812), (537, 39520), (570, 37232), (608, 34905), (624, 34010), (716, 29640), (741, 28640), (760, 27924), (780, 27208), (895, 23712), (912, 23270), (988, 21480), (1040, 20406), (1074, 19760), (1140, 18616), (1235, 17184), (1248, 17005), (1432, 14820), (1482, 14320), (1520, 13962), (1560, 13604), (1790, 11856), (1824, 11635), (1976, 10740), (2080, 10203), (2148, 9880), (2280, 9308), (2327, 9120), (2470, 8592), (2685, 7904), (2864, 7410), (2964, 7160), (3040, 6981), (3120, 6802), (3401, 6240), (3580, 5928), (3705, 5728), (3952, 5370), (4296, 4940), (4560, 4654)]