21936525

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{151}}^1$

素因数の和:326

約数の個数: 48

約数和(自身を含む): 39580800

約数和(自身を除く): 17644275

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 149, 151, 195, 325, 447, 453, 745, 755, 975, 1937, 1963, 2235, 2265, 3725, 3775, 5811, 5889, 9685, 9815, 11175, 11325, 22499, 29055, 29445, 48425, 49075, 67497, 112495, 145275, 147225, 292487, 337485, 562475, 877461, 1462435, 1687425, 4387305, 7312175, 21936525]

約数ペア:

[(1, 21936525), (3, 7312175), (5, 4387305), (13, 1687425), (15, 1462435), (25, 877461), (39, 562475), (65, 337485), (75, 292487), (149, 147225), (151, 145275), (195, 112495), (325, 67497), (447, 49075), (453, 48425), (745, 29445), (755, 29055), (975, 22499), (1937, 11325), (1963, 11175), (2235, 9815), (2265, 9685), (3725, 5889), (3775, 5811)]