21561036210

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{561047}}^1$

素因数の和:561128

約数の個数: 96

約数和(自身を含む): 65117475072

約数和(自身を除く): 43556438862

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 183, 210, 305, 315, 366, 427, 549, 610, 630, 854, 915, 1098, 1281, 1830, 2135, 2562, 2745, 3843, 4270, 5490, 6405, 7686, 12810, 19215, 38430, 561047, 1122094, 1683141, 2805235, 3366282, 3927329, 5049423, 5610470, 7854658, 8415705, 10098846, 11781987, 16831410, 19636645, 23563974, 25247115, 34223867, 35345961, 39273290, 50494230, 58909935, 68447734, 70691922, 102671601, 117819870, 171119335, 176729805, 205343202, 239567069, 308014803, 342238670, 353459610, 479134138, 513358005, 616029606, 718701207, 1026716010, 1197835345, 1437402414, 1540074015, 2156103621, 2395670690, 3080148030, 3593506035, 4312207242, 7187012070, 10780518105, 21561036210]

約数ペア:

[(1, 21561036210), (2, 10780518105), (3, 7187012070), (5, 4312207242), (6, 3593506035), (7, 3080148030), (9, 2395670690), (10, 2156103621), (14, 1540074015), (15, 1437402414), (18, 1197835345), (21, 1026716010), (30, 718701207), (35, 616029606), (42, 513358005), (45, 479134138), (61, 353459610), (63, 342238670), (70, 308014803), (90, 239567069), (105, 205343202), (122, 176729805), (126, 171119335), (183, 117819870), (210, 102671601), (305, 70691922), (315, 68447734), (366, 58909935), (427, 50494230), (549, 39273290), (610, 35345961), (630, 34223867), (854, 25247115), (915, 23563974), (1098, 19636645), (1281, 16831410), (1830, 11781987), (2135, 10098846), (2562, 8415705), (2745, 7854658), (3843, 5610470), (4270, 5049423), (5490, 3927329), (6405, 3366282), (7686, 2805235), (12810, 1683141), (19215, 1122094), (38430, 561047)]