21760830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2690

約数の個数: 96

約数和(自身を含む): 69660864

約数和(自身を除く): 47900034

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2657, 2730, 4095, 5314, 7971, 8190, 13285, 15942, 18599, 23913, 26570, 34541, 37198, 39855, 47826, 55797, 69082, 79710, 92995, 103623, 111594, 119565, 167391, 172705, 185990, 207246, 239130, 241787, 278985, 310869, 334782, 345410, 483574, 518115, 557970, 621738, 725361, 836955, 1036230, 1208935, 1450722, 1554345, 1673910, 2176083, 2417870, 3108690, 3626805, 4352166, 7253610, 10880415, 21760830]

約数ペア:

[(1, 21760830), (2, 10880415), (3, 7253610), (5, 4352166), (6, 3626805), (7, 3108690), (9, 2417870), (10, 2176083), (13, 1673910), (14, 1554345), (15, 1450722), (18, 1208935), (21, 1036230), (26, 836955), (30, 725361), (35, 621738), (39, 557970), (42, 518115), (45, 483574), (63, 345410), (65, 334782), (70, 310869), (78, 278985), (90, 241787), (91, 239130), (105, 207246), (117, 185990), (126, 172705), (130, 167391), (182, 119565), (195, 111594), (210, 103623), (234, 92995), (273, 79710), (315, 69082), (390, 55797), (455, 47826), (546, 39855), (585, 37198), (630, 34541), (819, 26570), (910, 23913), (1170, 18599), (1365, 15942), (1638, 13285), (2657, 8190), (2730, 7971), (4095, 5314)]