21167350358

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{41}}^2\times {\mathrm{11681}}^1$

素因数の和:11790

約数の個数: 72

約数和(自身を含む): 41302832472

約数和(自身を除く): 20135482114

約数列:

[1, 2, 7, 11, 14, 22, 41, 49, 77, 82, 98, 154, 287, 451, 539, 574, 902, 1078, 1681, 2009, 3157, 3362, 4018, 6314, 11681, 11767, 18491, 22099, 23362, 23534, 36982, 44198, 81767, 82369, 128491, 129437, 163534, 164738, 256982, 258874, 478921, 572369, 899437, 906059, 957842, 1144738, 1798874, 1812118, 3352447, 5268131, 6296059, 6704894, 10536262, 12592118, 19635761, 23467129, 36876917, 39271522, 46934258, 73753834, 137450327, 215993371, 258138419, 274900654, 431986742, 516276838, 962152289, 1511953597, 1924304578, 3023907194, 10583675179, 21167350358]

約数ペア:

[(1, 21167350358), (2, 10583675179), (7, 3023907194), (11, 1924304578), (14, 1511953597), (22, 962152289), (41, 516276838), (49, 431986742), (77, 274900654), (82, 258138419), (98, 215993371), (154, 137450327), (287, 73753834), (451, 46934258), (539, 39271522), (574, 36876917), (902, 23467129), (1078, 19635761), (1681, 12592118), (2009, 10536262), (3157, 6704894), (3362, 6296059), (4018, 5268131), (6314, 3352447), (11681, 1812118), (11767, 1798874), (18491, 1144738), (22099, 957842), (23362, 906059), (23534, 899437), (36982, 572369), (44198, 478921), (81767, 258874), (82369, 256982), (128491, 164738), (129437, 163534)]