21274500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1091}}^1$

素因数の和:1126

約数の個数: 96

約数和(自身を含む): 66777984

約数和(自身を除く): 45503484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 60, 65, 75, 78, 100, 125, 130, 150, 156, 195, 250, 260, 300, 325, 375, 390, 500, 650, 750, 780, 975, 1091, 1300, 1500, 1625, 1950, 2182, 3250, 3273, 3900, 4364, 4875, 5455, 6500, 6546, 9750, 10910, 13092, 14183, 16365, 19500, 21820, 27275, 28366, 32730, 42549, 54550, 56732, 65460, 70915, 81825, 85098, 109100, 136375, 141830, 163650, 170196, 212745, 272750, 283660, 327300, 354575, 409125, 425490, 545500, 709150, 818250, 850980, 1063725, 1418300, 1636500, 1772875, 2127450, 3545750, 4254900, 5318625, 7091500, 10637250, 21274500]

約数ペア:

[(1, 21274500), (2, 10637250), (3, 7091500), (4, 5318625), (5, 4254900), (6, 3545750), (10, 2127450), (12, 1772875), (13, 1636500), (15, 1418300), (20, 1063725), (25, 850980), (26, 818250), (30, 709150), (39, 545500), (50, 425490), (52, 409125), (60, 354575), (65, 327300), (75, 283660), (78, 272750), (100, 212745), (125, 170196), (130, 163650), (150, 141830), (156, 136375), (195, 109100), (250, 85098), (260, 81825), (300, 70915), (325, 65460), (375, 56732), (390, 54550), (500, 42549), (650, 32730), (750, 28366), (780, 27275), (975, 21820), (1091, 19500), (1300, 16365), (1500, 14183), (1625, 13092), (1950, 10910), (2182, 9750), (3250, 6546), (3273, 6500), (3900, 5455), (4364, 4875)]