21336750

素因数分解:

$2^1\times 3^3\times 5^3\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 128

約数和(自身を含む): 61776000

約数和(自身を除く): 40439250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 27, 29, 30, 45, 50, 54, 58, 75, 87, 90, 109, 125, 135, 145, 150, 174, 218, 225, 250, 261, 270, 290, 327, 375, 435, 450, 522, 545, 654, 675, 725, 750, 783, 870, 981, 1090, 1125, 1305, 1350, 1450, 1566, 1635, 1962, 2175, 2250, 2610, 2725, 2943, 3161, 3270, 3375, 3625, 3915, 4350, 4905, 5450, 5886, 6322, 6525, 6750, 7250, 7830, 8175, 9483, 9810, 10875, 13050, 13625, 14715, 15805, 16350, 18966, 19575, 21750, 24525, 27250, 28449, 29430, 31610, 32625, 39150, 40875, 47415, 49050, 56898, 65250, 73575, 79025, 81750, 85347, 94830, 97875, 122625, 142245, 147150, 158050, 170694, 195750, 237075, 245250, 284490, 367875, 395125, 426735, 474150, 711225, 735750, 790250, 853470, 1185375, 1422450, 2133675, 2370750, 3556125, 4267350, 7112250, 10668375, 21336750]

約数ペア:

[(1, 21336750), (2, 10668375), (3, 7112250), (5, 4267350), (6, 3556125), (9, 2370750), (10, 2133675), (15, 1422450), (18, 1185375), (25, 853470), (27, 790250), (29, 735750), (30, 711225), (45, 474150), (50, 426735), (54, 395125), (58, 367875), (75, 284490), (87, 245250), (90, 237075), (109, 195750), (125, 170694), (135, 158050), (145, 147150), (150, 142245), (174, 122625), (218, 97875), (225, 94830), (250, 85347), (261, 81750), (270, 79025), (290, 73575), (327, 65250), (375, 56898), (435, 49050), (450, 47415), (522, 40875), (545, 39150), (654, 32625), (675, 31610), (725, 29430), (750, 28449), (783, 27250), (870, 24525), (981, 21750), (1090, 19575), (1125, 18966), (1305, 16350), (1350, 15805), (1450, 14715), (1566, 13625), (1635, 13050), (1962, 10875), (2175, 9810), (2250, 9483), (2610, 8175), (2725, 7830), (2943, 7250), (3161, 6750), (3270, 6525), (3375, 6322), (3625, 5886), (3915, 5450), (4350, 4905)]