21264876

素因数分解:

$2^2\times 3^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1$

素因数の和:316

約数の個数: 96

約数和(自身を含む): 59628800

約数和(自身を除く): 38363924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 36, 38, 43, 54, 57, 76, 86, 108, 114, 129, 171, 172, 228, 241, 258, 342, 387, 482, 513, 516, 684, 723, 774, 817, 964, 1026, 1161, 1446, 1548, 1634, 2052, 2169, 2322, 2451, 2892, 3268, 4338, 4579, 4644, 4902, 6507, 7353, 8676, 9158, 9804, 10363, 13014, 13737, 14706, 18316, 20726, 22059, 26028, 27474, 29412, 31089, 41211, 41452, 44118, 54948, 62178, 82422, 88236, 93267, 123633, 124356, 164844, 186534, 196897, 247266, 279801, 373068, 393794, 494532, 559602, 590691, 787588, 1119204, 1181382, 1772073, 2362764, 3544146, 5316219, 7088292, 10632438, 21264876]

約数ペア:

[(1, 21264876), (2, 10632438), (3, 7088292), (4, 5316219), (6, 3544146), (9, 2362764), (12, 1772073), (18, 1181382), (19, 1119204), (27, 787588), (36, 590691), (38, 559602), (43, 494532), (54, 393794), (57, 373068), (76, 279801), (86, 247266), (108, 196897), (114, 186534), (129, 164844), (171, 124356), (172, 123633), (228, 93267), (241, 88236), (258, 82422), (342, 62178), (387, 54948), (482, 44118), (513, 41452), (516, 41211), (684, 31089), (723, 29412), (774, 27474), (817, 26028), (964, 22059), (1026, 20726), (1161, 18316), (1446, 14706), (1548, 13737), (1634, 13014), (2052, 10363), (2169, 9804), (2322, 9158), (2451, 8676), (2892, 7353), (3268, 6507), (4338, 4902), (4579, 4644)]