21259939560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{10421539}}^1$

素因数の和:10421570

約数の個数: 64

約数和(自身を含む): 67531579200

約数和(自身を除く): 46271639640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 120, 136, 170, 204, 255, 340, 408, 510, 680, 1020, 2040, 10421539, 20843078, 31264617, 41686156, 52107695, 62529234, 83372312, 104215390, 125058468, 156323085, 177166163, 208430780, 250116936, 312646170, 354332326, 416861560, 531498489, 625292340, 708664652, 885830815, 1062996978, 1250584680, 1417329304, 1771661630, 2125993956, 2657492445, 3543323260, 4251987912, 5314984890, 7086646520, 10629969780, 21259939560]

約数ペア:

[(1, 21259939560), (2, 10629969780), (3, 7086646520), (4, 5314984890), (5, 4251987912), (6, 3543323260), (8, 2657492445), (10, 2125993956), (12, 1771661630), (15, 1417329304), (17, 1250584680), (20, 1062996978), (24, 885830815), (30, 708664652), (34, 625292340), (40, 531498489), (51, 416861560), (60, 354332326), (68, 312646170), (85, 250116936), (102, 208430780), (120, 177166163), (136, 156323085), (170, 125058468), (204, 104215390), (255, 83372312), (340, 62529234), (408, 52107695), (510, 41686156), (680, 31264617), (1020, 20843078), (2040, 10421539)]