21853560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{677}}^1$

素因数の和:960

約数の個数: 64

約数和(自身を含む): 65901600

約数和(自身を除く): 44048040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 677, 807, 1076, 1345, 1354, 1614, 2031, 2152, 2690, 2708, 3228, 3385, 4035, 4062, 5380, 5416, 6456, 6770, 8070, 8124, 10155, 10760, 13540, 16140, 16248, 20310, 27080, 32280, 40620, 81240, 182113, 364226, 546339, 728452, 910565, 1092678, 1456904, 1821130, 2185356, 2731695, 3642260, 4370712, 5463390, 7284520, 10926780, 21853560]

約数ペア:

[(1, 21853560), (2, 10926780), (3, 7284520), (4, 5463390), (5, 4370712), (6, 3642260), (8, 2731695), (10, 2185356), (12, 1821130), (15, 1456904), (20, 1092678), (24, 910565), (30, 728452), (40, 546339), (60, 364226), (120, 182113), (269, 81240), (538, 40620), (677, 32280), (807, 27080), (1076, 20310), (1345, 16248), (1354, 16140), (1614, 13540), (2031, 10760), (2152, 10155), (2690, 8124), (2708, 8070), (3228, 6770), (3385, 6456), (4035, 5416), (4062, 5380)]