21228102

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{631}}^1$

素因数の和:738

約数の個数: 64

約数和(自身を含む): 54604800

約数和(自身を除く): 33376698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 89, 126, 178, 189, 267, 378, 534, 623, 631, 801, 1246, 1262, 1602, 1869, 1893, 2403, 3738, 3786, 4417, 4806, 5607, 5679, 8834, 11214, 11358, 13251, 16821, 17037, 26502, 33642, 34074, 39753, 56159, 79506, 112318, 119259, 168477, 238518, 336954, 393113, 505431, 786226, 1010862, 1179339, 1516293, 2358678, 3032586, 3538017, 7076034, 10614051, 21228102]

約数ペア:

[(1, 21228102), (2, 10614051), (3, 7076034), (6, 3538017), (7, 3032586), (9, 2358678), (14, 1516293), (18, 1179339), (21, 1010862), (27, 786226), (42, 505431), (54, 393113), (63, 336954), (89, 238518), (126, 168477), (178, 119259), (189, 112318), (267, 79506), (378, 56159), (534, 39753), (623, 34074), (631, 33642), (801, 26502), (1246, 17037), (1262, 16821), (1602, 13251), (1869, 11358), (1893, 11214), (2403, 8834), (3738, 5679), (3786, 5607), (4417, 4806)]