21653656440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{13880549}}^1$

素因数の和:13880576

約数の個数: 64

約数和(自身を含む): 69957972000

約数和(自身を除く): 48304315560

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, 13880549, 27761098, 41641647, 55522196, 69402745, 83283294, 111044392, 138805490, 166566588, 180447137, 208208235, 277610980, 333133176, 360894274, 416416470, 541341411, 555221960, 721788548, 832832940, 902235685, 1082682822, 1443577096, 1665665880, 1804471370, 2165365644, 2706707055, 3608942740, 4330731288, 5413414110, 7217885480, 10826828220, 21653656440]

約数ペア:

[(1, 21653656440), (2, 10826828220), (3, 7217885480), (4, 5413414110), (5, 4330731288), (6, 3608942740), (8, 2706707055), (10, 2165365644), (12, 1804471370), (13, 1665665880), (15, 1443577096), (20, 1082682822), (24, 902235685), (26, 832832940), (30, 721788548), (39, 555221960), (40, 541341411), (52, 416416470), (60, 360894274), (65, 333133176), (78, 277610980), (104, 208208235), (120, 180447137), (130, 166566588), (156, 138805490), (195, 111044392), (260, 83283294), (312, 69402745), (390, 55522196), (520, 41641647), (780, 27761098), (1560, 13880549)]