21801450

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:280

約数の個数: 96

約数和(自身を含む): 60121152

約数和(自身を除く): 38319702

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 33, 50, 55, 66, 73, 75, 110, 146, 150, 165, 181, 219, 275, 330, 362, 365, 438, 543, 550, 730, 803, 825, 905, 1086, 1095, 1606, 1650, 1810, 1825, 1991, 2190, 2409, 2715, 3650, 3982, 4015, 4525, 4818, 5430, 5475, 5973, 8030, 9050, 9955, 10950, 11946, 12045, 13213, 13575, 19910, 20075, 24090, 26426, 27150, 29865, 39639, 40150, 49775, 59730, 60225, 66065, 79278, 99550, 120450, 132130, 145343, 149325, 198195, 290686, 298650, 330325, 396390, 436029, 660650, 726715, 872058, 990975, 1453430, 1981950, 2180145, 3633575, 4360290, 7267150, 10900725, 21801450]

約数ペア:

[(1, 21801450), (2, 10900725), (3, 7267150), (5, 4360290), (6, 3633575), (10, 2180145), (11, 1981950), (15, 1453430), (22, 990975), (25, 872058), (30, 726715), (33, 660650), (50, 436029), (55, 396390), (66, 330325), (73, 298650), (75, 290686), (110, 198195), (146, 149325), (150, 145343), (165, 132130), (181, 120450), (219, 99550), (275, 79278), (330, 66065), (362, 60225), (365, 59730), (438, 49775), (543, 40150), (550, 39639), (730, 29865), (803, 27150), (825, 26426), (905, 24090), (1086, 20075), (1095, 19910), (1606, 13575), (1650, 13213), (1810, 12045), (1825, 11946), (1991, 10950), (2190, 9955), (2409, 9050), (2715, 8030), (3650, 5973), (3982, 5475), (4015, 5430), (4525, 4818)]