21614970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2917}}^1$

素因数の和:2959

約数の個数: 64

約数和(自身を含む): 58826880

約数和(自身を除く): 37211910

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 38, 39, 57, 65, 78, 95, 114, 130, 190, 195, 247, 285, 390, 494, 570, 741, 1235, 1482, 2470, 2917, 3705, 5834, 7410, 8751, 14585, 17502, 29170, 37921, 43755, 55423, 75842, 87510, 110846, 113763, 166269, 189605, 227526, 277115, 332538, 379210, 554230, 568815, 720499, 831345, 1137630, 1440998, 1662690, 2161497, 3602495, 4322994, 7204990, 10807485, 21614970]

約数ペア:

[(1, 21614970), (2, 10807485), (3, 7204990), (5, 4322994), (6, 3602495), (10, 2161497), (13, 1662690), (15, 1440998), (19, 1137630), (26, 831345), (30, 720499), (38, 568815), (39, 554230), (57, 379210), (65, 332538), (78, 277115), (95, 227526), (114, 189605), (130, 166269), (190, 113763), (195, 110846), (247, 87510), (285, 75842), (390, 55423), (494, 43755), (570, 37921), (741, 29170), (1235, 17502), (1482, 14585), (2470, 8751), (2917, 7410), (3705, 5834)]