21356672610

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{28867}}^1$

素因数の和:29168

約数の個数: 128

約数和(自身を含む): 63319302144

約数和(自身を除く): 41962629534

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 271, 273, 390, 455, 542, 546, 813, 910, 1355, 1365, 1626, 1897, 2710, 2730, 3523, 3794, 4065, 5691, 7046, 8130, 9485, 10569, 11382, 17615, 18970, 21138, 24661, 28455, 28867, 35230, 49322, 52845, 56910, 57734, 73983, 86601, 105690, 123305, 144335, 147966, 173202, 202069, 246610, 288670, 369915, 375271, 404138, 433005, 606207, 739830, 750542, 866010, 1010345, 1125813, 1212414, 1876355, 2020690, 2251626, 2626897, 3031035, 3752710, 5253794, 5629065, 6062070, 7822957, 7880691, 11258130, 13134485, 15645914, 15761382, 23468871, 26268970, 39114785, 39403455, 46937742, 54760699, 78229570, 78806910, 101698441, 109521398, 117344355, 164282097, 203396882, 234688710, 273803495, 305095323, 328564194, 508492205, 547606990, 610190646, 711889087, 821410485, 1016984410, 1423778174, 1525476615, 1642820970, 2135667261, 3050953230, 3559445435, 4271334522, 7118890870, 10678336305, 21356672610]

約数ペア:

[(1, 21356672610), (2, 10678336305), (3, 7118890870), (5, 4271334522), (6, 3559445435), (7, 3050953230), (10, 2135667261), (13, 1642820970), (14, 1525476615), (15, 1423778174), (21, 1016984410), (26, 821410485), (30, 711889087), (35, 610190646), (39, 547606990), (42, 508492205), (65, 328564194), (70, 305095323), (78, 273803495), (91, 234688710), (105, 203396882), (130, 164282097), (182, 117344355), (195, 109521398), (210, 101698441), (271, 78806910), (273, 78229570), (390, 54760699), (455, 46937742), (542, 39403455), (546, 39114785), (813, 26268970), (910, 23468871), (1355, 15761382), (1365, 15645914), (1626, 13134485), (1897, 11258130), (2710, 7880691), (2730, 7822957), (3523, 6062070), (3794, 5629065), (4065, 5253794), (5691, 3752710), (7046, 3031035), (8130, 2626897), (9485, 2251626), (10569, 2020690), (11382, 1876355), (17615, 1212414), (18970, 1125813), (21138, 1010345), (24661, 866010), (28455, 750542), (28867, 739830), (35230, 606207), (49322, 433005), (52845, 404138), (56910, 375271), (57734, 369915), (73983, 288670), (86601, 246610), (105690, 202069), (123305, 173202), (144335, 147966)]