21651690

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{607}}^1$

素因数の和:687

約数の個数: 64

約数和(自身を含む): 55157760

約数和(自身を除く): 33506070

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 41, 58, 82, 87, 123, 145, 174, 205, 246, 290, 410, 435, 607, 615, 870, 1189, 1214, 1230, 1821, 2378, 3035, 3567, 3642, 5945, 6070, 7134, 9105, 11890, 17603, 17835, 18210, 24887, 35206, 35670, 49774, 52809, 74661, 88015, 105618, 124435, 149322, 176030, 248870, 264045, 373305, 528090, 721723, 746610, 1443446, 2165169, 3608615, 4330338, 7217230, 10825845, 21651690]

約数ペア:

[(1, 21651690), (2, 10825845), (3, 7217230), (5, 4330338), (6, 3608615), (10, 2165169), (15, 1443446), (29, 746610), (30, 721723), (41, 528090), (58, 373305), (82, 264045), (87, 248870), (123, 176030), (145, 149322), (174, 124435), (205, 105618), (246, 88015), (290, 74661), (410, 52809), (435, 49774), (607, 35670), (615, 35206), (870, 24887), (1189, 18210), (1214, 17835), (1230, 17603), (1821, 11890), (2378, 9105), (3035, 7134), (3567, 6070), (3642, 5945)]