21663450

素因数分解:

$2^1\times 3^5\times 5^2\times {\mathrm{1783}}^1$

素因数の和:1810

約数の個数: 72

約数和(自身を含む): 60391968

約数和(自身を除く): 38728518

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 30, 45, 50, 54, 75, 81, 90, 135, 150, 162, 225, 243, 270, 405, 450, 486, 675, 810, 1215, 1350, 1783, 2025, 2430, 3566, 4050, 5349, 6075, 8915, 10698, 12150, 16047, 17830, 26745, 32094, 44575, 48141, 53490, 80235, 89150, 96282, 133725, 144423, 160470, 240705, 267450, 288846, 401175, 433269, 481410, 722115, 802350, 866538, 1203525, 1444230, 2166345, 2407050, 3610575, 4332690, 7221150, 10831725, 21663450]

約数ペア:

[(1, 21663450), (2, 10831725), (3, 7221150), (5, 4332690), (6, 3610575), (9, 2407050), (10, 2166345), (15, 1444230), (18, 1203525), (25, 866538), (27, 802350), (30, 722115), (45, 481410), (50, 433269), (54, 401175), (75, 288846), (81, 267450), (90, 240705), (135, 160470), (150, 144423), (162, 133725), (225, 96282), (243, 89150), (270, 80235), (405, 53490), (450, 48141), (486, 44575), (675, 32094), (810, 26745), (1215, 17830), (1350, 16047), (1783, 12150), (2025, 10698), (2430, 8915), (3566, 6075), (4050, 5349)]