21757950

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:319

約数の個数: 96

約数和(自身を含む): 61067520

約数和(自身を除く): 39309570

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 71, 75, 90, 135, 142, 150, 213, 225, 227, 270, 355, 426, 450, 454, 639, 675, 681, 710, 1065, 1135, 1278, 1350, 1362, 1775, 1917, 2043, 2130, 2270, 3195, 3405, 3550, 3834, 4086, 5325, 5675, 6129, 6390, 6810, 9585, 10215, 10650, 11350, 12258, 15975, 16117, 17025, 19170, 20430, 30645, 31950, 32234, 34050, 47925, 48351, 51075, 61290, 80585, 95850, 96702, 102150, 145053, 153225, 161170, 241755, 290106, 306450, 402925, 435159, 483510, 725265, 805850, 870318, 1208775, 1450530, 2175795, 2417550, 3626325, 4351590, 7252650, 10878975, 21757950]

約数ペア:

[(1, 21757950), (2, 10878975), (3, 7252650), (5, 4351590), (6, 3626325), (9, 2417550), (10, 2175795), (15, 1450530), (18, 1208775), (25, 870318), (27, 805850), (30, 725265), (45, 483510), (50, 435159), (54, 402925), (71, 306450), (75, 290106), (90, 241755), (135, 161170), (142, 153225), (150, 145053), (213, 102150), (225, 96702), (227, 95850), (270, 80585), (355, 61290), (426, 51075), (450, 48351), (454, 47925), (639, 34050), (675, 32234), (681, 31950), (710, 30645), (1065, 20430), (1135, 19170), (1278, 17025), (1350, 16117), (1362, 15975), (1775, 12258), (1917, 11350), (2043, 10650), (2130, 10215), (2270, 9585), (3195, 6810), (3405, 6390), (3550, 6129), (3834, 5675), (4086, 5325)]