21739500

素因数分解:

$2^2\times 3^2\times 5^3\times {\mathrm{4831}}^1$

素因数の和:4856

約数の個数: 72

約数和(自身を含む): 68595072

約数和(自身を除く): 46855572

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 750, 900, 1125, 1500, 2250, 4500, 4831, 9662, 14493, 19324, 24155, 28986, 43479, 48310, 57972, 72465, 86958, 96620, 120775, 144930, 173916, 217395, 241550, 289860, 362325, 434790, 483100, 603875, 724650, 869580, 1086975, 1207750, 1449300, 1811625, 2173950, 2415500, 3623250, 4347900, 5434875, 7246500, 10869750, 21739500]

約数ペア:

[(1, 21739500), (2, 10869750), (3, 7246500), (4, 5434875), (5, 4347900), (6, 3623250), (9, 2415500), (10, 2173950), (12, 1811625), (15, 1449300), (18, 1207750), (20, 1086975), (25, 869580), (30, 724650), (36, 603875), (45, 483100), (50, 434790), (60, 362325), (75, 289860), (90, 241550), (100, 217395), (125, 173916), (150, 144930), (180, 120775), (225, 96620), (250, 86958), (300, 72465), (375, 57972), (450, 48310), (500, 43479), (750, 28986), (900, 24155), (1125, 19324), (1500, 14493), (2250, 9662), (4500, 4831)]