21821850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:772

約数の個数: 72

約数和(自身を含む): 59540832

約数和(自身を除く): 37718982

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 71, 75, 90, 142, 150, 213, 225, 355, 426, 450, 639, 683, 710, 1065, 1278, 1366, 1775, 2049, 2130, 3195, 3415, 3550, 4098, 5325, 6147, 6390, 6830, 10245, 10650, 12294, 15975, 17075, 20490, 30735, 31950, 34150, 48493, 51225, 61470, 96986, 102450, 145479, 153675, 242465, 290958, 307350, 436437, 484930, 727395, 872874, 1212325, 1454790, 2182185, 2424650, 3636975, 4364370, 7273950, 10910925, 21821850]

約数ペア:

[(1, 21821850), (2, 10910925), (3, 7273950), (5, 4364370), (6, 3636975), (9, 2424650), (10, 2182185), (15, 1454790), (18, 1212325), (25, 872874), (30, 727395), (45, 484930), (50, 436437), (71, 307350), (75, 290958), (90, 242465), (142, 153675), (150, 145479), (213, 102450), (225, 96986), (355, 61470), (426, 51225), (450, 48493), (639, 34150), (683, 31950), (710, 30735), (1065, 20490), (1278, 17075), (1366, 15975), (1775, 12294), (2049, 10650), (2130, 10245), (3195, 6830), (3415, 6390), (3550, 6147), (4098, 5325)]