21887942

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 36246528

約数和(自身を除く): 14358586

約数列:

[1, 2, 17, 34, 37, 74, 127, 137, 254, 274, 629, 1258, 2159, 2329, 4318, 4658, 4699, 5069, 9398, 10138, 17399, 34798, 79883, 86173, 159766, 172346, 295783, 591566, 643763, 1287526, 10943971, 21887942]

約数ペア:

[(1, 21887942), (2, 10943971), (17, 1287526), (34, 643763), (37, 591566), (74, 295783), (127, 172346), (137, 159766), (254, 86173), (274, 79883), (629, 34798), (1258, 17399), (2159, 10138), (2329, 9398), (4318, 5069), (4658, 4699)]