21771150

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{7639}}^1$

素因数の和:7673

約数の個数: 48

約数和(自身を含む): 56841600

約数和(自身を除く): 35070450

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 30, 38, 50, 57, 75, 95, 114, 150, 190, 285, 475, 570, 950, 1425, 2850, 7639, 15278, 22917, 38195, 45834, 76390, 114585, 145141, 190975, 229170, 290282, 381950, 435423, 572925, 725705, 870846, 1145850, 1451410, 2177115, 3628525, 4354230, 7257050, 10885575, 21771150]

約数ペア:

[(1, 21771150), (2, 10885575), (3, 7257050), (5, 4354230), (6, 3628525), (10, 2177115), (15, 1451410), (19, 1145850), (25, 870846), (30, 725705), (38, 572925), (50, 435423), (57, 381950), (75, 290282), (95, 229170), (114, 190975), (150, 145141), (190, 114585), (285, 76390), (475, 45834), (570, 38195), (950, 22917), (1425, 15278), (2850, 7639)]