21728196

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{41}}^1\times {\mathrm{701}}^1$

素因数の和:762

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 44315964

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 82, 84, 108, 123, 126, 164, 189, 246, 252, 287, 369, 378, 492, 574, 701, 738, 756, 861, 1107, 1148, 1402, 1476, 1722, 2103, 2214, 2583, 2804, 3444, 4206, 4428, 4907, 5166, 6309, 7749, 8412, 9814, 10332, 12618, 14721, 15498, 18927, 19628, 25236, 28741, 29442, 30996, 37854, 44163, 57482, 58884, 75708, 86223, 88326, 114964, 132489, 172446, 176652, 201187, 258669, 264978, 344892, 402374, 517338, 529956, 603561, 776007, 804748, 1034676, 1207122, 1552014, 1810683, 2414244, 3104028, 3621366, 5432049, 7242732, 10864098, 21728196]

約数ペア:

[(1, 21728196), (2, 10864098), (3, 7242732), (4, 5432049), (6, 3621366), (7, 3104028), (9, 2414244), (12, 1810683), (14, 1552014), (18, 1207122), (21, 1034676), (27, 804748), (28, 776007), (36, 603561), (41, 529956), (42, 517338), (54, 402374), (63, 344892), (82, 264978), (84, 258669), (108, 201187), (123, 176652), (126, 172446), (164, 132489), (189, 114964), (246, 88326), (252, 86223), (287, 75708), (369, 58884), (378, 57482), (492, 44163), (574, 37854), (701, 30996), (738, 29442), (756, 28741), (861, 25236), (1107, 19628), (1148, 18927), (1402, 15498), (1476, 14721), (1722, 12618), (2103, 10332), (2214, 9814), (2583, 8412), (2804, 7749), (3444, 6309), (4206, 5166), (4428, 4907)]