21275016

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{229}}^1$

素因数の和:331

約数の個数: 96

約数和(自身を含む): 62928000

約数和(自身を除く): 41652984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 79, 84, 98, 147, 158, 168, 196, 229, 237, 294, 316, 392, 458, 474, 553, 588, 632, 687, 916, 948, 1106, 1176, 1374, 1603, 1659, 1832, 1896, 2212, 2748, 3206, 3318, 3871, 4424, 4809, 5496, 6412, 6636, 7742, 9618, 11221, 11613, 12824, 13272, 15484, 18091, 19236, 22442, 23226, 30968, 33663, 36182, 38472, 44884, 46452, 54273, 67326, 72364, 89768, 92904, 108546, 126637, 134652, 144728, 217092, 253274, 269304, 379911, 434184, 506548, 759822, 886459, 1013096, 1519644, 1772918, 2659377, 3039288, 3545836, 5318754, 7091672, 10637508, 21275016]

約数ペア:

[(1, 21275016), (2, 10637508), (3, 7091672), (4, 5318754), (6, 3545836), (7, 3039288), (8, 2659377), (12, 1772918), (14, 1519644), (21, 1013096), (24, 886459), (28, 759822), (42, 506548), (49, 434184), (56, 379911), (79, 269304), (84, 253274), (98, 217092), (147, 144728), (158, 134652), (168, 126637), (196, 108546), (229, 92904), (237, 89768), (294, 72364), (316, 67326), (392, 54273), (458, 46452), (474, 44884), (553, 38472), (588, 36182), (632, 33663), (687, 30968), (916, 23226), (948, 22442), (1106, 19236), (1176, 18091), (1374, 15484), (1603, 13272), (1659, 12824), (1832, 11613), (1896, 11221), (2212, 9618), (2748, 7742), (3206, 6636), (3318, 6412), (3871, 5496), (4424, 4809)]