21440250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{733}}^1$

素因数の和:769

約数の個数: 96

約数和(自身を含む): 62519184

約数和(自身を除く): 41078934

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 125, 130, 150, 195, 225, 234, 250, 325, 375, 390, 450, 585, 650, 733, 750, 975, 1125, 1170, 1466, 1625, 1950, 2199, 2250, 2925, 3250, 3665, 4398, 4875, 5850, 6597, 7330, 9529, 9750, 10995, 13194, 14625, 18325, 19058, 21990, 28587, 29250, 32985, 36650, 47645, 54975, 57174, 65970, 85761, 91625, 95290, 109950, 142935, 164925, 171522, 183250, 238225, 274875, 285870, 329850, 428805, 476450, 549750, 714675, 824625, 857610, 1191125, 1429350, 1649250, 2144025, 2382250, 3573375, 4288050, 7146750, 10720125, 21440250]

約数ペア:

[(1, 21440250), (2, 10720125), (3, 7146750), (5, 4288050), (6, 3573375), (9, 2382250), (10, 2144025), (13, 1649250), (15, 1429350), (18, 1191125), (25, 857610), (26, 824625), (30, 714675), (39, 549750), (45, 476450), (50, 428805), (65, 329850), (75, 285870), (78, 274875), (90, 238225), (117, 183250), (125, 171522), (130, 164925), (150, 142935), (195, 109950), (225, 95290), (234, 91625), (250, 85761), (325, 65970), (375, 57174), (390, 54975), (450, 47645), (585, 36650), (650, 32985), (733, 29250), (750, 28587), (975, 21990), (1125, 19058), (1170, 18325), (1466, 14625), (1625, 13194), (1950, 10995), (2199, 9750), (2250, 9529), (2925, 7330), (3250, 6597), (3665, 5850), (4398, 4875)]