21731724

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1039}}^1$

素因数の和:1139

約数の個数: 72

約数和(自身を含む): 63598080

約数和(自身を除く): 41866356

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 83, 84, 126, 166, 249, 252, 332, 498, 581, 747, 996, 1039, 1162, 1494, 1743, 2078, 2324, 2988, 3117, 3486, 4156, 5229, 6234, 6972, 7273, 9351, 10458, 12468, 14546, 18702, 20916, 21819, 29092, 37404, 43638, 65457, 86237, 87276, 130914, 172474, 258711, 261828, 344948, 517422, 603659, 776133, 1034844, 1207318, 1552266, 1810977, 2414636, 3104532, 3621954, 5432931, 7243908, 10865862, 21731724]

約数ペア:

[(1, 21731724), (2, 10865862), (3, 7243908), (4, 5432931), (6, 3621954), (7, 3104532), (9, 2414636), (12, 1810977), (14, 1552266), (18, 1207318), (21, 1034844), (28, 776133), (36, 603659), (42, 517422), (63, 344948), (83, 261828), (84, 258711), (126, 172474), (166, 130914), (249, 87276), (252, 86237), (332, 65457), (498, 43638), (581, 37404), (747, 29092), (996, 21819), (1039, 20916), (1162, 18702), (1494, 14546), (1743, 12468), (2078, 10458), (2324, 9351), (2988, 7273), (3117, 6972), (3486, 6234), (4156, 5229)]