21000339318

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1\times {\mathrm{43093}}^1$

素因数の和:43429

約数の個数: 64

約数和(自身を含む): 49346422272

約数和(自身を除く): 28346082954

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 82, 123, 246, 283, 287, 566, 574, 849, 861, 1698, 1722, 1981, 3962, 5943, 11603, 11886, 23206, 34809, 43093, 69618, 81221, 86186, 129279, 162442, 243663, 258558, 301651, 487326, 603302, 904953, 1766813, 1809906, 3533626, 5300439, 10600878, 12195319, 12367691, 24390638, 24735382, 36585957, 37103073, 73171914, 74206146, 85367233, 170734466, 256101699, 500008079, 512203398, 1000016158, 1500024237, 3000048474, 3500056553, 7000113106, 10500169659, 21000339318]

約数ペア:

[(1, 21000339318), (2, 10500169659), (3, 7000113106), (6, 3500056553), (7, 3000048474), (14, 1500024237), (21, 1000016158), (41, 512203398), (42, 500008079), (82, 256101699), (123, 170734466), (246, 85367233), (283, 74206146), (287, 73171914), (566, 37103073), (574, 36585957), (849, 24735382), (861, 24390638), (1698, 12367691), (1722, 12195319), (1981, 10600878), (3962, 5300439), (5943, 3533626), (11603, 1809906), (11886, 1766813), (23206, 904953), (34809, 603302), (43093, 487326), (69618, 301651), (81221, 258558), (86186, 243663), (129279, 162442)]