21836568

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 65318400

約数和(自身を除く): 43481832

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 17, 23, 24, 26, 34, 39, 46, 51, 52, 68, 69, 78, 92, 102, 104, 136, 138, 156, 179, 184, 204, 221, 276, 299, 312, 358, 391, 408, 442, 537, 552, 598, 663, 716, 782, 884, 897, 1074, 1173, 1196, 1326, 1432, 1564, 1768, 1794, 2148, 2327, 2346, 2392, 2652, 3043, 3128, 3588, 4117, 4296, 4654, 4692, 5083, 5304, 6086, 6981, 7176, 8234, 9129, 9308, 9384, 10166, 12172, 12351, 13962, 15249, 16468, 18258, 18616, 20332, 24344, 24702, 27924, 30498, 32936, 36516, 39559, 40664, 49404, 53521, 55848, 60996, 69989, 73032, 79118, 98808, 107042, 118677, 121992, 139978, 158236, 160563, 209967, 214084, 237354, 279956, 316472, 321126, 419934, 428168, 474708, 559912, 642252, 839868, 909857, 949416, 1284504, 1679736, 1819714, 2729571, 3639428, 5459142, 7278856, 10918284, 21836568]

約数ペア:

[(1, 21836568), (2, 10918284), (3, 7278856), (4, 5459142), (6, 3639428), (8, 2729571), (12, 1819714), (13, 1679736), (17, 1284504), (23, 949416), (24, 909857), (26, 839868), (34, 642252), (39, 559912), (46, 474708), (51, 428168), (52, 419934), (68, 321126), (69, 316472), (78, 279956), (92, 237354), (102, 214084), (104, 209967), (136, 160563), (138, 158236), (156, 139978), (179, 121992), (184, 118677), (204, 107042), (221, 98808), (276, 79118), (299, 73032), (312, 69989), (358, 60996), (391, 55848), (408, 53521), (442, 49404), (537, 40664), (552, 39559), (598, 36516), (663, 32936), (716, 30498), (782, 27924), (884, 24702), (897, 24344), (1074, 20332), (1173, 18616), (1196, 18258), (1326, 16468), (1432, 15249), (1564, 13962), (1768, 12351), (1794, 12172), (2148, 10166), (2327, 9384), (2346, 9308), (2392, 9129), (2652, 8234), (3043, 7176), (3128, 6981), (3588, 6086), (4117, 5304), (4296, 5083), (4654, 4692)]