21754698

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1$

素因数の和:431

約数の個数: 64

約数和(自身を含む): 52565760

約数和(自身を除く): 30811062

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 53, 58, 87, 106, 159, 174, 203, 318, 337, 371, 406, 609, 674, 742, 1011, 1113, 1218, 1537, 2022, 2226, 2359, 3074, 4611, 4718, 7077, 9222, 9773, 10759, 14154, 17861, 19546, 21518, 29319, 32277, 35722, 53583, 58638, 64554, 68411, 107166, 125027, 136822, 205233, 250054, 375081, 410466, 517969, 750162, 1035938, 1553907, 3107814, 3625783, 7251566, 10877349, 21754698]

約数ペア:

[(1, 21754698), (2, 10877349), (3, 7251566), (6, 3625783), (7, 3107814), (14, 1553907), (21, 1035938), (29, 750162), (42, 517969), (53, 410466), (58, 375081), (87, 250054), (106, 205233), (159, 136822), (174, 125027), (203, 107166), (318, 68411), (337, 64554), (371, 58638), (406, 53583), (609, 35722), (674, 32277), (742, 29319), (1011, 21518), (1113, 19546), (1218, 17861), (1537, 14154), (2022, 10759), (2226, 9773), (2359, 9222), (3074, 7077), (4611, 4718)]