21424641560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1443709}}^1$

素因数の和:1443780

約数の個数: 64

約数和(自身を含む): 56131444800

約数和(自身を除く): 34706803240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 14840, 1443709, 2887418, 5774836, 7218545, 10105963, 11549672, 14437090, 20211926, 28874180, 40423852, 50529815, 57748360, 76516577, 80847704, 101059630, 153033154, 202119260, 306066308, 382582885, 404238520, 535616039, 612132616, 765165770, 1071232078, 1530331540, 2142464156, 2678080195, 3060663080, 4284928312, 5356160390, 10712320780, 21424641560]

約数ペア:

[(1, 21424641560), (2, 10712320780), (4, 5356160390), (5, 4284928312), (7, 3060663080), (8, 2678080195), (10, 2142464156), (14, 1530331540), (20, 1071232078), (28, 765165770), (35, 612132616), (40, 535616039), (53, 404238520), (56, 382582885), (70, 306066308), (106, 202119260), (140, 153033154), (212, 101059630), (265, 80847704), (280, 76516577), (371, 57748360), (424, 50529815), (530, 40423852), (742, 28874180), (1060, 20211926), (1484, 14437090), (1855, 11549672), (2120, 10105963), (2968, 7218545), (3710, 5774836), (7420, 2887418), (14840, 1443709)]