21885630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3301}}^1$

素因数の和:3341

約数の個数: 64

約数和(自身を含む): 59911488

約数和(自身を除く): 38025858

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3301, 3315, 6602, 6630, 9903, 16505, 19806, 33010, 42913, 49515, 56117, 85826, 99030, 112234, 128739, 168351, 214565, 257478, 280585, 336702, 429130, 561170, 643695, 729521, 841755, 1287390, 1459042, 1683510, 2188563, 3647605, 4377126, 7295210, 10942815, 21885630]

約数ペア:

[(1, 21885630), (2, 10942815), (3, 7295210), (5, 4377126), (6, 3647605), (10, 2188563), (13, 1683510), (15, 1459042), (17, 1287390), (26, 841755), (30, 729521), (34, 643695), (39, 561170), (51, 429130), (65, 336702), (78, 280585), (85, 257478), (102, 214565), (130, 168351), (170, 128739), (195, 112234), (221, 99030), (255, 85826), (390, 56117), (442, 49515), (510, 42913), (663, 33010), (1105, 19806), (1326, 16505), (2210, 9903), (3301, 6630), (3315, 6602)]