21161400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{2713}}^1$

素因数の和:2745

約数の個数: 96

約数和(自身を含む): 70672560

約数和(自身を除く): 49511160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 60, 65, 75, 78, 100, 104, 120, 130, 150, 156, 195, 200, 260, 300, 312, 325, 390, 520, 600, 650, 780, 975, 1300, 1560, 1950, 2600, 2713, 3900, 5426, 7800, 8139, 10852, 13565, 16278, 21704, 27130, 32556, 35269, 40695, 54260, 65112, 67825, 70538, 81390, 105807, 108520, 135650, 141076, 162780, 176345, 203475, 211614, 271300, 282152, 325560, 352690, 406950, 423228, 529035, 542600, 705380, 813900, 846456, 881725, 1058070, 1410760, 1627800, 1763450, 2116140, 2645175, 3526900, 4232280, 5290350, 7053800, 10580700, 21161400]

約数ペア:

[(1, 21161400), (2, 10580700), (3, 7053800), (4, 5290350), (5, 4232280), (6, 3526900), (8, 2645175), (10, 2116140), (12, 1763450), (13, 1627800), (15, 1410760), (20, 1058070), (24, 881725), (25, 846456), (26, 813900), (30, 705380), (39, 542600), (40, 529035), (50, 423228), (52, 406950), (60, 352690), (65, 325560), (75, 282152), (78, 271300), (100, 211614), (104, 203475), (120, 176345), (130, 162780), (150, 141076), (156, 135650), (195, 108520), (200, 105807), (260, 81390), (300, 70538), (312, 67825), (325, 65112), (390, 54260), (520, 40695), (600, 35269), (650, 32556), (780, 27130), (975, 21704), (1300, 16278), (1560, 13565), (1950, 10852), (2600, 8139), (2713, 7800), (3900, 5426)]