21262658.000000000

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{3119}}^1$

素因数の和:3346

約数の個数: 64

約数和(自身を含む): 476236800

約数和(自身を除く): 298547370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 211, 270, 422, 633, 1055, 1266, 1899, 2110, 3119, 3165, 3798, 5697, 6238, 6330, 9357, 9495, 11394, 15595, 18714, 18990, 28071, 28485, 31190, 46785, 56142, 56970, 84213, 93570, 140355, 168426, 280710, 421065, 658109, 842130, 1316218, 1974327, 3290545, 3948654, 5922981, 6581090, 9871635, 11845962, 17768943, 19743270, 29614905, 35537886, 59229810, 88844715, 177689430]

約数ペア:

[(1, 177689430), (2, 88844715), (3, 59229810), (5, 35537886), (6, 29614905), (9, 19743270), (10, 17768943), (15, 11845962), (18, 9871635), (27, 6581090), (30, 5922981), (45, 3948654), (54, 3290545), (90, 1974327), (135, 1316218), (211, 842130), (270, 658109), (422, 421065), (633, 280710), (1055, 168426), (1266, 140355), (1899, 93570), (2110, 84213), (3119, 56970), (3165, 56142), (3798, 46785), (5697, 31190), (6238, 28485), (6330, 28071), (9357, 18990), (9495, 18714), (11394, 15595)]