2099916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{641}}^1$

素因数の和:671

約数の個数: 72

約数和(自身を含む): 6543264

約数和(自身を除く): 4443348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 641, 819, 1092, 1282, 1638, 1923, 2564, 3276, 3846, 4487, 5769, 7692, 8333, 8974, 11538, 13461, 16666, 17948, 23076, 24999, 26922, 33332, 40383, 49998, 53844, 58331, 74997, 80766, 99996, 116662, 149994, 161532, 174993, 233324, 299988, 349986, 524979, 699972, 1049958, 2099916]

約数ペア:

[(1, 2099916), (2, 1049958), (3, 699972), (4, 524979), (6, 349986), (7, 299988), (9, 233324), (12, 174993), (13, 161532), (14, 149994), (18, 116662), (21, 99996), (26, 80766), (28, 74997), (36, 58331), (39, 53844), (42, 49998), (52, 40383), (63, 33332), (78, 26922), (84, 24999), (91, 23076), (117, 17948), (126, 16666), (156, 13461), (182, 11538), (234, 8974), (252, 8333), (273, 7692), (364, 5769), (468, 4487), (546, 3846), (641, 3276), (819, 2564), (1092, 1923), (1282, 1638)]