21167118340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{19429}}^1$

素因数の和:19565

約数の個数: 96

約数和(自身を含む): 48571891200

約数和(自身を除く): 27404772860

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 61, 76, 94, 95, 122, 188, 190, 235, 244, 305, 380, 470, 610, 893, 940, 1159, 1220, 1786, 2318, 2867, 3572, 4465, 4636, 5734, 5795, 8930, 11468, 11590, 14335, 17860, 19429, 23180, 28670, 38858, 54473, 57340, 77716, 97145, 108946, 194290, 217892, 272365, 369151, 388580, 544730, 738302, 913163, 1089460, 1185169, 1476604, 1826326, 1845755, 2370338, 3652652, 3691510, 4565815, 4740676, 5925845, 7383020, 9131630, 11851690, 17350097, 18263260, 22518211, 23703380, 34700194, 45036422, 55702943, 69400388, 86750485, 90072844, 111405886, 112591055, 173500970, 222811772, 225182110, 278514715, 347001940, 450364220, 557029430, 1058355917, 1114058860, 2116711834, 4233423668, 5291779585, 10583559170, 21167118340]

約数ペア:

[(1, 21167118340), (2, 10583559170), (4, 5291779585), (5, 4233423668), (10, 2116711834), (19, 1114058860), (20, 1058355917), (38, 557029430), (47, 450364220), (61, 347001940), (76, 278514715), (94, 225182110), (95, 222811772), (122, 173500970), (188, 112591055), (190, 111405886), (235, 90072844), (244, 86750485), (305, 69400388), (380, 55702943), (470, 45036422), (610, 34700194), (893, 23703380), (940, 22518211), (1159, 18263260), (1220, 17350097), (1786, 11851690), (2318, 9131630), (2867, 7383020), (3572, 5925845), (4465, 4740676), (4636, 4565815), (5734, 3691510), (5795, 3652652), (8930, 2370338), (11468, 1845755), (11590, 1826326), (14335, 1476604), (17860, 1185169), (19429, 1089460), (23180, 913163), (28670, 738302), (38858, 544730), (54473, 388580), (57340, 369151), (77716, 272365), (97145, 217892), (108946, 194290)]