21745424

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{307}}^1$

素因数の和:567

約数の個数: 40

約数和(自身を含む): 44684640

約数和(自身を除く): 22939216

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 233, 304, 307, 466, 614, 932, 1228, 1864, 2456, 3728, 4427, 4912, 5833, 8854, 11666, 17708, 23332, 35416, 46664, 70832, 71531, 93328, 143062, 286124, 572248, 1144496, 1359089, 2718178, 5436356, 10872712, 21745424]

約数ペア:

[(1, 21745424), (2, 10872712), (4, 5436356), (8, 2718178), (16, 1359089), (19, 1144496), (38, 572248), (76, 286124), (152, 143062), (233, 93328), (304, 71531), (307, 70832), (466, 46664), (614, 35416), (932, 23332), (1228, 17708), (1864, 11666), (2456, 8854), (3728, 5833), (4427, 4912)]