21109452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1487}}^1$

素因数の和:1527

約数の個数: 72

約数和(自身を含む): 60996096

約数和(自身を除く): 39886644

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 169, 182, 273, 338, 364, 507, 546, 676, 1014, 1092, 1183, 1487, 2028, 2366, 2974, 3549, 4461, 4732, 5948, 7098, 8922, 10409, 14196, 17844, 19331, 20818, 31227, 38662, 41636, 57993, 62454, 77324, 115986, 124908, 135317, 231972, 251303, 270634, 405951, 502606, 541268, 753909, 811902, 1005212, 1507818, 1623804, 1759121, 3015636, 3518242, 5277363, 7036484, 10554726, 21109452]

約数ペア:

[(1, 21109452), (2, 10554726), (3, 7036484), (4, 5277363), (6, 3518242), (7, 3015636), (12, 1759121), (13, 1623804), (14, 1507818), (21, 1005212), (26, 811902), (28, 753909), (39, 541268), (42, 502606), (52, 405951), (78, 270634), (84, 251303), (91, 231972), (156, 135317), (169, 124908), (182, 115986), (273, 77324), (338, 62454), (364, 57993), (507, 41636), (546, 38662), (676, 31227), (1014, 20818), (1092, 19331), (1183, 17844), (1487, 14196), (2028, 10409), (2366, 8922), (2974, 7098), (3549, 5948), (4461, 4732)]