21753888

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17431}}^1$

素因数の和:17457

約数の個数: 48

約数和(自身を含む): 61500096

約数和(自身を除く): 39746208

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 17431, 34862, 52293, 69724, 104586, 139448, 209172, 226603, 278896, 418344, 453206, 557792, 679809, 836688, 906412, 1359618, 1673376, 1812824, 2719236, 3625648, 5438472, 7251296, 10876944, 21753888]

約数ペア:

[(1, 21753888), (2, 10876944), (3, 7251296), (4, 5438472), (6, 3625648), (8, 2719236), (12, 1812824), (13, 1673376), (16, 1359618), (24, 906412), (26, 836688), (32, 679809), (39, 557792), (48, 453206), (52, 418344), (78, 278896), (96, 226603), (104, 209172), (156, 139448), (208, 104586), (312, 69724), (416, 52293), (624, 34862), (1248, 17431)]