21000953736

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{41668559}}^1$

素因数の和:41668578

約数の個数: 48

約数和(自身を含む): 65002953600

約数和(自身を除く): 44001999864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 41668559, 83337118, 125005677, 166674236, 250011354, 291679913, 333348472, 375017031, 500022708, 583359826, 750034062, 875039739, 1000045416, 1166719652, 1500068124, 1750079478, 2333439304, 2625119217, 3000136248, 3500158956, 5250238434, 7000317912, 10500476868, 21000953736]

約数ペア:

[(1, 21000953736), (2, 10500476868), (3, 7000317912), (4, 5250238434), (6, 3500158956), (7, 3000136248), (8, 2625119217), (9, 2333439304), (12, 1750079478), (14, 1500068124), (18, 1166719652), (21, 1000045416), (24, 875039739), (28, 750034062), (36, 583359826), (42, 500022708), (56, 375017031), (63, 333348472), (72, 291679913), (84, 250011354), (126, 166674236), (168, 125005677), (252, 83337118), (504, 41668559)]