21441360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2236

約数の個数: 80

約数和(自身を含む): 68120640

約数和(自身を除く): 46679280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2179, 2460, 3280, 4358, 4920, 6537, 8716, 9840, 10895, 13074, 17432, 21790, 26148, 32685, 34864, 43580, 52296, 65370, 87160, 89339, 104592, 130740, 174320, 178678, 261480, 268017, 357356, 446695, 522960, 536034, 714712, 893390, 1072068, 1340085, 1429424, 1786780, 2144136, 2680170, 3573560, 4288272, 5360340, 7147120, 10720680, 21441360]

約数ペア:

[(1, 21441360), (2, 10720680), (3, 7147120), (4, 5360340), (5, 4288272), (6, 3573560), (8, 2680170), (10, 2144136), (12, 1786780), (15, 1429424), (16, 1340085), (20, 1072068), (24, 893390), (30, 714712), (40, 536034), (41, 522960), (48, 446695), (60, 357356), (80, 268017), (82, 261480), (120, 178678), (123, 174320), (164, 130740), (205, 104592), (240, 89339), (246, 87160), (328, 65370), (410, 52296), (492, 43580), (615, 34864), (656, 32685), (820, 26148), (984, 21790), (1230, 17432), (1640, 13074), (1968, 10895), (2179, 9840), (2460, 8716), (3280, 6537), (4358, 4920)]