21928920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{14057}}^1$

素因数の和:14084

約数の個数: 64

約数和(自身を含む): 70852320

約数和(自身を除く): 48923400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 14057, 28114, 42171, 56228, 70285, 84342, 112456, 140570, 168684, 182741, 210855, 281140, 337368, 365482, 421710, 548223, 562280, 730964, 843420, 913705, 1096446, 1461928, 1686840, 1827410, 2192892, 2741115, 3654820, 4385784, 5482230, 7309640, 10964460, 21928920]

約数ペア:

[(1, 21928920), (2, 10964460), (3, 7309640), (4, 5482230), (5, 4385784), (6, 3654820), (8, 2741115), (10, 2192892), (12, 1827410), (13, 1686840), (15, 1461928), (20, 1096446), (24, 913705), (26, 843420), (30, 730964), (39, 562280), (40, 548223), (52, 421710), (60, 365482), (65, 337368), (78, 281140), (104, 210855), (120, 182741), (130, 168684), (156, 140570), (195, 112456), (260, 84342), (312, 70285), (390, 56228), (520, 42171), (780, 28114), (1560, 14057)]