21671064

素因数分解:

$2^3\times 3^4\times {\mathrm{53}}^1\times {\mathrm{631}}^1$

素因数の和:702

約数の個数: 80

約数和(自身を含む): 61942320

約数和(自身を除く): 40271256

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 53, 54, 72, 81, 106, 108, 159, 162, 212, 216, 318, 324, 424, 477, 631, 636, 648, 954, 1262, 1272, 1431, 1893, 1908, 2524, 2862, 3786, 3816, 4293, 5048, 5679, 5724, 7572, 8586, 11358, 11448, 15144, 17037, 17172, 22716, 33443, 34074, 34344, 45432, 51111, 66886, 68148, 100329, 102222, 133772, 136296, 200658, 204444, 267544, 300987, 401316, 408888, 601974, 802632, 902961, 1203948, 1805922, 2407896, 2708883, 3611844, 5417766, 7223688, 10835532, 21671064]

約数ペア:

[(1, 21671064), (2, 10835532), (3, 7223688), (4, 5417766), (6, 3611844), (8, 2708883), (9, 2407896), (12, 1805922), (18, 1203948), (24, 902961), (27, 802632), (36, 601974), (53, 408888), (54, 401316), (72, 300987), (81, 267544), (106, 204444), (108, 200658), (159, 136296), (162, 133772), (212, 102222), (216, 100329), (318, 68148), (324, 66886), (424, 51111), (477, 45432), (631, 34344), (636, 34074), (648, 33443), (954, 22716), (1262, 17172), (1272, 17037), (1431, 15144), (1893, 11448), (1908, 11358), (2524, 8586), (2862, 7572), (3786, 5724), (3816, 5679), (4293, 5048)]