21000547656

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{62983}}^1$

素因数の和:63427

約数の個数: 96

約数和(自身を含む): 62195440320

約数和(自身を除く): 41194892664

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 33, 36, 44, 66, 72, 88, 99, 132, 198, 264, 396, 421, 792, 842, 1263, 1684, 2526, 3368, 3789, 4631, 5052, 7578, 9262, 10104, 13893, 15156, 18524, 27786, 30312, 37048, 41679, 55572, 62983, 83358, 111144, 125966, 166716, 188949, 251932, 333432, 377898, 503864, 566847, 692813, 755796, 1133694, 1385626, 1511592, 2078439, 2267388, 2771252, 4156878, 4534776, 5542504, 6235317, 8313756, 12470634, 16627512, 24941268, 26515843, 49882536, 53031686, 79547529, 106063372, 159095058, 212126744, 238642587, 291674273, 318190116, 477285174, 583348546, 636380232, 875022819, 954570348, 1166697092, 1750045638, 1909140696, 2333394184, 2625068457, 3500091276, 5250136914, 7000182552, 10500273828, 21000547656]

約数ペア:

[(1, 21000547656), (2, 10500273828), (3, 7000182552), (4, 5250136914), (6, 3500091276), (8, 2625068457), (9, 2333394184), (11, 1909140696), (12, 1750045638), (18, 1166697092), (22, 954570348), (24, 875022819), (33, 636380232), (36, 583348546), (44, 477285174), (66, 318190116), (72, 291674273), (88, 238642587), (99, 212126744), (132, 159095058), (198, 106063372), (264, 79547529), (396, 53031686), (421, 49882536), (792, 26515843), (842, 24941268), (1263, 16627512), (1684, 12470634), (2526, 8313756), (3368, 6235317), (3789, 5542504), (4631, 4534776), (5052, 4156878), (7578, 2771252), (9262, 2267388), (10104, 2078439), (13893, 1511592), (15156, 1385626), (18524, 1133694), (27786, 755796), (30312, 692813), (37048, 566847), (41679, 503864), (55572, 377898), (62983, 333432), (83358, 251932), (111144, 188949), (125966, 166716)]