21437778838

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{953}}^1\times {\mathrm{2011}}^1$

素因数の和:3037

約数の個数: 64

約数和(自身を含む): 39801673728

約数和(自身を除く): 18363894890

約数列:

[1, 2, 7, 14, 17, 34, 47, 94, 119, 238, 329, 658, 799, 953, 1598, 1906, 2011, 4022, 5593, 6671, 11186, 13342, 14077, 16201, 28154, 32402, 34187, 44791, 68374, 89582, 94517, 113407, 189034, 226814, 239309, 313537, 478618, 627074, 661619, 761447, 1323238, 1522894, 1606789, 1916483, 3213578, 3832966, 5330129, 10660258, 11247523, 13415381, 22495046, 26830762, 32580211, 65160422, 90074701, 180149402, 228061477, 456122954, 630522907, 1261045814, 1531269917, 3062539834, 10718889419, 21437778838]

約数ペア:

[(1, 21437778838), (2, 10718889419), (7, 3062539834), (14, 1531269917), (17, 1261045814), (34, 630522907), (47, 456122954), (94, 228061477), (119, 180149402), (238, 90074701), (329, 65160422), (658, 32580211), (799, 26830762), (953, 22495046), (1598, 13415381), (1906, 11247523), (2011, 10660258), (4022, 5330129), (5593, 3832966), (6671, 3213578), (11186, 1916483), (13342, 1606789), (14077, 1522894), (16201, 1323238), (28154, 761447), (32402, 661619), (34187, 627074), (44791, 478618), (68374, 313537), (89582, 239309), (94517, 226814), (113407, 189034)]