21350952

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{523}}^1$

素因数の和:554

約数の個数: 112

約数和(自身を含む): 68727840

約数和(自身を除く): 47376888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 378, 486, 504, 523, 567, 648, 729, 756, 972, 1046, 1134, 1458, 1512, 1569, 1701, 1944, 2092, 2268, 2916, 3138, 3402, 3661, 4184, 4536, 4707, 5103, 5832, 6276, 6804, 7322, 9414, 10206, 10983, 12552, 13608, 14121, 14644, 18828, 20412, 21966, 28242, 29288, 32949, 37656, 40824, 42363, 43932, 56484, 65898, 84726, 87864, 98847, 112968, 127089, 131796, 169452, 197694, 254178, 263592, 296541, 338904, 381267, 395388, 508356, 593082, 762534, 790776, 889623, 1016712, 1186164, 1525068, 1779246, 2372328, 2668869, 3050136, 3558492, 5337738, 7116984, 10675476, 21350952]

約数ペア:

[(1, 21350952), (2, 10675476), (3, 7116984), (4, 5337738), (6, 3558492), (7, 3050136), (8, 2668869), (9, 2372328), (12, 1779246), (14, 1525068), (18, 1186164), (21, 1016712), (24, 889623), (27, 790776), (28, 762534), (36, 593082), (42, 508356), (54, 395388), (56, 381267), (63, 338904), (72, 296541), (81, 263592), (84, 254178), (108, 197694), (126, 169452), (162, 131796), (168, 127089), (189, 112968), (216, 98847), (243, 87864), (252, 84726), (324, 65898), (378, 56484), (486, 43932), (504, 42363), (523, 40824), (567, 37656), (648, 32949), (729, 29288), (756, 28242), (972, 21966), (1046, 20412), (1134, 18828), (1458, 14644), (1512, 14121), (1569, 13608), (1701, 12552), (1944, 10983), (2092, 10206), (2268, 9414), (2916, 7322), (3138, 6804), (3402, 6276), (3661, 5832), (4184, 5103), (4536, 4707)]