21820248

素因数分解:

$2^3\times 3^2\times {\mathrm{17}}^1\times {\mathrm{17827}}^1$

素因数の和:17856

約数の個数: 48

約数和(自身を含む): 62576280

約数和(自身を除く): 40756032

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 306, 408, 612, 1224, 17827, 35654, 53481, 71308, 106962, 142616, 160443, 213924, 303059, 320886, 427848, 606118, 641772, 909177, 1212236, 1283544, 1818354, 2424472, 2727531, 3636708, 5455062, 7273416, 10910124, 21820248]

約数ペア:

[(1, 21820248), (2, 10910124), (3, 7273416), (4, 5455062), (6, 3636708), (8, 2727531), (9, 2424472), (12, 1818354), (17, 1283544), (18, 1212236), (24, 909177), (34, 641772), (36, 606118), (51, 427848), (68, 320886), (72, 303059), (102, 213924), (136, 160443), (153, 142616), (204, 106962), (306, 71308), (408, 53481), (612, 35654), (1224, 17827)]