21218144

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:387

約数の個数: 48

約数和(自身を含む): 44126208

約数和(自身を除く): 22908064

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 127, 184, 227, 254, 368, 454, 508, 736, 908, 1016, 1816, 2032, 2921, 3632, 4064, 5221, 5842, 7264, 10442, 11684, 20884, 23368, 28829, 41768, 46736, 57658, 83536, 93472, 115316, 167072, 230632, 461264, 663067, 922528, 1326134, 2652268, 5304536, 10609072, 21218144]

約数ペア:

[(1, 21218144), (2, 10609072), (4, 5304536), (8, 2652268), (16, 1326134), (23, 922528), (32, 663067), (46, 461264), (92, 230632), (127, 167072), (184, 115316), (227, 93472), (254, 83536), (368, 57658), (454, 46736), (508, 41768), (736, 28829), (908, 23368), (1016, 20884), (1816, 11684), (2032, 10442), (2921, 7264), (3632, 5842), (4064, 5221)]