21742680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:193

約数の個数: 128

約数和(自身を含む): 68947200

約数和(自身を除く): 47204520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 59, 60, 74, 83, 111, 118, 120, 148, 166, 177, 185, 222, 236, 249, 295, 296, 332, 354, 370, 415, 444, 472, 498, 555, 590, 664, 708, 740, 830, 885, 888, 996, 1110, 1180, 1245, 1416, 1480, 1660, 1770, 1992, 2183, 2220, 2360, 2490, 3071, 3320, 3540, 4366, 4440, 4897, 4980, 6142, 6549, 7080, 8732, 9213, 9794, 9960, 10915, 12284, 13098, 14691, 15355, 17464, 18426, 19588, 21830, 24485, 24568, 26196, 29382, 30710, 32745, 36852, 39176, 43660, 46065, 48970, 52392, 58764, 61420, 65490, 73455, 73704, 87320, 92130, 97940, 117528, 122840, 130980, 146910, 181189, 184260, 195880, 261960, 293820, 362378, 368520, 543567, 587640, 724756, 905945, 1087134, 1449512, 1811890, 2174268, 2717835, 3623780, 4348536, 5435670, 7247560, 10871340, 21742680]

約数ペア:

[(1, 21742680), (2, 10871340), (3, 7247560), (4, 5435670), (5, 4348536), (6, 3623780), (8, 2717835), (10, 2174268), (12, 1811890), (15, 1449512), (20, 1087134), (24, 905945), (30, 724756), (37, 587640), (40, 543567), (59, 368520), (60, 362378), (74, 293820), (83, 261960), (111, 195880), (118, 184260), (120, 181189), (148, 146910), (166, 130980), (177, 122840), (185, 117528), (222, 97940), (236, 92130), (249, 87320), (295, 73704), (296, 73455), (332, 65490), (354, 61420), (370, 58764), (415, 52392), (444, 48970), (472, 46065), (498, 43660), (555, 39176), (590, 36852), (664, 32745), (708, 30710), (740, 29382), (830, 26196), (885, 24568), (888, 24485), (996, 21830), (1110, 19588), (1180, 18426), (1245, 17464), (1416, 15355), (1480, 14691), (1660, 13098), (1770, 12284), (1992, 10915), (2183, 9960), (2220, 9794), (2360, 9213), (2490, 8732), (3071, 7080), (3320, 6549), (3540, 6142), (4366, 4980), (4440, 4897)]