21175692776

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{151}}^1\times {\mathrm{31699}}^1$

素因数の和:31942

約数の個数: 64

約数和(自身を含む): 46256640000

約数和(自身を除く): 25080947224

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 151, 158, 302, 316, 553, 604, 632, 1057, 1106, 1208, 2114, 2212, 4228, 4424, 8456, 11929, 23858, 31699, 47716, 63398, 83503, 95432, 126796, 167006, 221893, 253592, 334012, 443786, 668024, 887572, 1775144, 2504221, 4786549, 5008442, 9573098, 10016884, 17529547, 19146196, 20033768, 33505843, 35059094, 38292392, 67011686, 70118188, 134023372, 140236376, 268046744, 378137371, 756274742, 1512549484, 2646961597, 3025098968, 5293923194, 10587846388, 21175692776]

約数ペア:

[(1, 21175692776), (2, 10587846388), (4, 5293923194), (7, 3025098968), (8, 2646961597), (14, 1512549484), (28, 756274742), (56, 378137371), (79, 268046744), (151, 140236376), (158, 134023372), (302, 70118188), (316, 67011686), (553, 38292392), (604, 35059094), (632, 33505843), (1057, 20033768), (1106, 19146196), (1208, 17529547), (2114, 10016884), (2212, 9573098), (4228, 5008442), (4424, 4786549), (8456, 2504221), (11929, 1775144), (23858, 887572), (31699, 668024), (47716, 443786), (63398, 334012), (83503, 253592), (95432, 221893), (126796, 167006)]