21086910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{269}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 60147360

約数和(自身を除く): 39060450

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 67, 78, 90, 117, 130, 134, 195, 201, 234, 269, 335, 390, 402, 538, 585, 603, 670, 807, 871, 1005, 1170, 1206, 1345, 1614, 1742, 2010, 2421, 2613, 2690, 3015, 3497, 4035, 4355, 4842, 5226, 6030, 6994, 7839, 8070, 8710, 10491, 12105, 13065, 15678, 17485, 18023, 20982, 24210, 26130, 31473, 34970, 36046, 39195, 52455, 54069, 62946, 78390, 90115, 104910, 108138, 157365, 162207, 180230, 234299, 270345, 314730, 324414, 468598, 540690, 702897, 811035, 1171495, 1405794, 1622070, 2108691, 2342990, 3514485, 4217382, 7028970, 10543455, 21086910]

約数ペア:

[(1, 21086910), (2, 10543455), (3, 7028970), (5, 4217382), (6, 3514485), (9, 2342990), (10, 2108691), (13, 1622070), (15, 1405794), (18, 1171495), (26, 811035), (30, 702897), (39, 540690), (45, 468598), (65, 324414), (67, 314730), (78, 270345), (90, 234299), (117, 180230), (130, 162207), (134, 157365), (195, 108138), (201, 104910), (234, 90115), (269, 78390), (335, 62946), (390, 54069), (402, 52455), (538, 39195), (585, 36046), (603, 34970), (670, 31473), (807, 26130), (871, 24210), (1005, 20982), (1170, 18023), (1206, 17485), (1345, 15678), (1614, 13065), (1742, 12105), (2010, 10491), (2421, 8710), (2613, 8070), (2690, 7839), (3015, 6994), (3497, 6030), (4035, 5226), (4355, 4842)]