21307944

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18119}}^1$

素因数の和:18142

約数の個数: 48

約数和(自身を含む): 61970400

約数和(自身を除く): 40662456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18119, 36238, 54357, 72476, 108714, 126833, 144952, 217428, 253666, 380499, 434856, 507332, 760998, 887831, 1014664, 1521996, 1775662, 2663493, 3043992, 3551324, 5326986, 7102648, 10653972, 21307944]

約数ペア:

[(1, 21307944), (2, 10653972), (3, 7102648), (4, 5326986), (6, 3551324), (7, 3043992), (8, 2663493), (12, 1775662), (14, 1521996), (21, 1014664), (24, 887831), (28, 760998), (42, 507332), (49, 434856), (56, 380499), (84, 253666), (98, 217428), (147, 144952), (168, 126833), (196, 108714), (294, 72476), (392, 54357), (588, 36238), (1176, 18119)]