21234100

素因数分解:

$2^2\times 5^2\times {\mathrm{59}}^2\times {\mathrm{61}}^1$

素因数の和:193

約数の個数: 54

約数和(自身を含む): 47640614

約数和(自身を除く): 26406514

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 59, 61, 100, 118, 122, 236, 244, 295, 305, 590, 610, 1180, 1220, 1475, 1525, 2950, 3050, 3481, 3599, 5900, 6100, 6962, 7198, 13924, 14396, 17405, 17995, 34810, 35990, 69620, 71980, 87025, 89975, 174050, 179950, 212341, 348100, 359900, 424682, 849364, 1061705, 2123410, 4246820, 5308525, 10617050, 21234100]

約数ペア:

[(1, 21234100), (2, 10617050), (4, 5308525), (5, 4246820), (10, 2123410), (20, 1061705), (25, 849364), (50, 424682), (59, 359900), (61, 348100), (100, 212341), (118, 179950), (122, 174050), (236, 89975), (244, 87025), (295, 71980), (305, 69620), (590, 35990), (610, 34810), (1180, 17995), (1220, 17405), (1475, 14396), (1525, 13924), (2950, 7198), (3050, 6962), (3481, 6100), (3599, 5900)]