21679909692

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{641}}^1\times {\mathrm{2939}}^1$

素因数の和:3731

約数の個数: 96

約数和(自身を含む): 58345781760

約数和(自身を除く): 36665872068

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 137, 274, 411, 548, 641, 822, 959, 1282, 1644, 1918, 1923, 2564, 2877, 2939, 3836, 3846, 4487, 5754, 5878, 7692, 8817, 8974, 11508, 11756, 13461, 17634, 17948, 20573, 26922, 35268, 41146, 53844, 61719, 82292, 87817, 123438, 175634, 246876, 263451, 351268, 402643, 526902, 614719, 805286, 1053804, 1207929, 1229438, 1610572, 1844157, 1883899, 2415858, 2458876, 2818501, 3688314, 3767798, 4831716, 5637002, 5651697, 7376628, 7535596, 8455503, 11274004, 11303394, 13187293, 16911006, 22606788, 26374586, 33822012, 39561879, 52749172, 79123758, 158247516, 258094163, 516188326, 774282489, 1032376652, 1548564978, 1806659141, 3097129956, 3613318282, 5419977423, 7226636564, 10839954846, 21679909692]

約数ペア:

[(1, 21679909692), (2, 10839954846), (3, 7226636564), (4, 5419977423), (6, 3613318282), (7, 3097129956), (12, 1806659141), (14, 1548564978), (21, 1032376652), (28, 774282489), (42, 516188326), (84, 258094163), (137, 158247516), (274, 79123758), (411, 52749172), (548, 39561879), (641, 33822012), (822, 26374586), (959, 22606788), (1282, 16911006), (1644, 13187293), (1918, 11303394), (1923, 11274004), (2564, 8455503), (2877, 7535596), (2939, 7376628), (3836, 5651697), (3846, 5637002), (4487, 4831716), (5754, 3767798), (5878, 3688314), (7692, 2818501), (8817, 2458876), (8974, 2415858), (11508, 1883899), (11756, 1844157), (13461, 1610572), (17634, 1229438), (17948, 1207929), (20573, 1053804), (26922, 805286), (35268, 614719), (41146, 526902), (53844, 402643), (61719, 351268), (82292, 263451), (87817, 246876), (123438, 175634)]