21104700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{683}}^1$

素因数の和:803

約数の個数: 72

約数和(自身を含む): 61746048

約数和(自身を除く): 40641348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 103, 150, 206, 300, 309, 412, 515, 618, 683, 1030, 1236, 1366, 1545, 2049, 2060, 2575, 2732, 3090, 3415, 4098, 5150, 6180, 6830, 7725, 8196, 10245, 10300, 13660, 15450, 17075, 20490, 30900, 34150, 40980, 51225, 68300, 70349, 102450, 140698, 204900, 211047, 281396, 351745, 422094, 703490, 844188, 1055235, 1406980, 1758725, 2110470, 3517450, 4220940, 5276175, 7034900, 10552350, 21104700]

約数ペア:

[(1, 21104700), (2, 10552350), (3, 7034900), (4, 5276175), (5, 4220940), (6, 3517450), (10, 2110470), (12, 1758725), (15, 1406980), (20, 1055235), (25, 844188), (30, 703490), (50, 422094), (60, 351745), (75, 281396), (100, 211047), (103, 204900), (150, 140698), (206, 102450), (300, 70349), (309, 68300), (412, 51225), (515, 40980), (618, 34150), (683, 30900), (1030, 20490), (1236, 17075), (1366, 15450), (1545, 13660), (2049, 10300), (2060, 10245), (2575, 8196), (2732, 7725), (3090, 6830), (3415, 6180), (4098, 5150)]