21986291236

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{12959}}^1$

素因数の和:13121

約数の個数: 96

約数和(自身を含む): 48771072000

約数和(自身を除く): 26784780764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 79, 91, 118, 158, 182, 236, 316, 364, 413, 553, 767, 826, 1027, 1106, 1534, 1652, 2054, 2212, 3068, 4108, 4661, 5369, 7189, 9322, 10738, 12959, 14378, 18644, 21476, 25918, 28756, 32627, 51836, 60593, 65254, 90713, 121186, 130508, 168467, 181426, 242372, 336934, 362852, 424151, 673868, 764581, 848302, 1023761, 1179269, 1529162, 1696604, 2047522, 2358538, 3058324, 4095044, 4717076, 5352067, 7166327, 9939553, 10704134, 13308893, 14332654, 19879106, 21408268, 26617786, 28665308, 39758212, 53235572, 60401899, 69576871, 93162251, 120803798, 139153742, 186324502, 241607596, 278307484, 372649004, 422813293, 785224687, 845626586, 1570449374, 1691253172, 3140898748, 5496572809, 10993145618, 21986291236]

約数ペア:

[(1, 21986291236), (2, 10993145618), (4, 5496572809), (7, 3140898748), (13, 1691253172), (14, 1570449374), (26, 845626586), (28, 785224687), (52, 422813293), (59, 372649004), (79, 278307484), (91, 241607596), (118, 186324502), (158, 139153742), (182, 120803798), (236, 93162251), (316, 69576871), (364, 60401899), (413, 53235572), (553, 39758212), (767, 28665308), (826, 26617786), (1027, 21408268), (1106, 19879106), (1534, 14332654), (1652, 13308893), (2054, 10704134), (2212, 9939553), (3068, 7166327), (4108, 5352067), (4661, 4717076), (5369, 4095044), (7189, 3058324), (9322, 2358538), (10738, 2047522), (12959, 1696604), (14378, 1529162), (18644, 1179269), (21476, 1023761), (25918, 848302), (28756, 764581), (32627, 673868), (51836, 424151), (60593, 362852), (65254, 336934), (90713, 242372), (121186, 181426), (130508, 168467)]