21453252

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1021}}^1$

素因数の和:1148

約数の個数: 48

約数和(自身を含む): 53569152

約数和(自身を除く): 32115900

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 103, 204, 206, 309, 412, 618, 1021, 1236, 1751, 2042, 3063, 3502, 4084, 5253, 6126, 7004, 10506, 12252, 17357, 21012, 34714, 52071, 69428, 104142, 105163, 208284, 210326, 315489, 420652, 630978, 1261956, 1787771, 3575542, 5363313, 7151084, 10726626, 21453252]

約数ペア:

[(1, 21453252), (2, 10726626), (3, 7151084), (4, 5363313), (6, 3575542), (12, 1787771), (17, 1261956), (34, 630978), (51, 420652), (68, 315489), (102, 210326), (103, 208284), (204, 105163), (206, 104142), (309, 69428), (412, 52071), (618, 34714), (1021, 21012), (1236, 17357), (1751, 12252), (2042, 10506), (3063, 7004), (3502, 6126), (4084, 5253)]