21493332

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^2$

素因数の和:170

約数の個数: 108

約数和(自身を含む): 66349920

約数和(自身を除く): 44856588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 67, 76, 84, 114, 126, 133, 134, 171, 201, 228, 252, 266, 268, 342, 399, 402, 469, 532, 603, 684, 798, 804, 938, 1197, 1206, 1273, 1407, 1596, 1876, 2394, 2412, 2546, 2814, 3819, 4221, 4489, 4788, 5092, 5628, 7638, 8442, 8911, 8978, 11457, 13467, 15276, 16884, 17822, 17956, 22914, 26733, 26934, 31423, 35644, 40401, 45828, 53466, 53868, 62846, 80199, 80802, 85291, 94269, 106932, 125692, 160398, 161604, 170582, 188538, 255873, 282807, 320796, 341164, 377076, 511746, 565614, 597037, 767619, 1023492, 1131228, 1194074, 1535238, 1791111, 2388148, 3070476, 3582222, 5373333, 7164444, 10746666, 21493332]

約数ペア:

[(1, 21493332), (2, 10746666), (3, 7164444), (4, 5373333), (6, 3582222), (7, 3070476), (9, 2388148), (12, 1791111), (14, 1535238), (18, 1194074), (19, 1131228), (21, 1023492), (28, 767619), (36, 597037), (38, 565614), (42, 511746), (57, 377076), (63, 341164), (67, 320796), (76, 282807), (84, 255873), (114, 188538), (126, 170582), (133, 161604), (134, 160398), (171, 125692), (201, 106932), (228, 94269), (252, 85291), (266, 80802), (268, 80199), (342, 62846), (399, 53868), (402, 53466), (469, 45828), (532, 40401), (603, 35644), (684, 31423), (798, 26934), (804, 26733), (938, 22914), (1197, 17956), (1206, 17822), (1273, 16884), (1407, 15276), (1596, 13467), (1876, 11457), (2394, 8978), (2412, 8911), (2546, 8442), (2814, 7638), (3819, 5628), (4221, 5092), (4489, 4788)]