21861126770

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{73}}^1\times {\mathrm{1523}}^1$

素因数の和:1716

約数の個数: 96

約数和(自身を含む): 46494387072

約数和(自身を除く): 24633260302

約数列:

[1, 2, 5, 7, 10, 14, 35, 53, 70, 73, 106, 146, 265, 365, 371, 511, 530, 730, 742, 1022, 1523, 1855, 2555, 2809, 3046, 3710, 3869, 5110, 5618, 7615, 7738, 10661, 14045, 15230, 19345, 19663, 21322, 27083, 28090, 38690, 39326, 53305, 54166, 80719, 98315, 106610, 111179, 135415, 161438, 196630, 205057, 222358, 270830, 403595, 410114, 555895, 565033, 778253, 807190, 1025285, 1111790, 1130066, 1435399, 1556506, 2050570, 2825165, 2870798, 3891265, 4278107, 5650330, 5892487, 7176995, 7782530, 8556214, 11784974, 14353990, 21390535, 29462435, 29946749, 41247409, 42781070, 58924870, 59893498, 82494818, 149733745, 206237045, 299467490, 312301811, 412474090, 624603622, 1561509055, 2186112677, 3123018110, 4372225354, 10930563385, 21861126770]

約数ペア:

[(1, 21861126770), (2, 10930563385), (5, 4372225354), (7, 3123018110), (10, 2186112677), (14, 1561509055), (35, 624603622), (53, 412474090), (70, 312301811), (73, 299467490), (106, 206237045), (146, 149733745), (265, 82494818), (365, 59893498), (371, 58924870), (511, 42781070), (530, 41247409), (730, 29946749), (742, 29462435), (1022, 21390535), (1523, 14353990), (1855, 11784974), (2555, 8556214), (2809, 7782530), (3046, 7176995), (3710, 5892487), (3869, 5650330), (5110, 4278107), (5618, 3891265), (7615, 2870798), (7738, 2825165), (10661, 2050570), (14045, 1556506), (15230, 1435399), (19345, 1130066), (19663, 1111790), (21322, 1025285), (27083, 807190), (28090, 778253), (38690, 565033), (39326, 555895), (53305, 410114), (54166, 403595), (80719, 270830), (98315, 222358), (106610, 205057), (111179, 196630), (135415, 161438)]