21811272

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1091}}^1$

素因数の和:1131

約数の個数: 96

約数和(自身を含む): 67223520

約数和(自身を除く): 45412248

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 17, 21, 24, 28, 34, 42, 49, 51, 56, 68, 84, 98, 102, 119, 136, 147, 168, 196, 204, 238, 294, 357, 392, 408, 476, 588, 714, 833, 952, 1091, 1176, 1428, 1666, 2182, 2499, 2856, 3273, 3332, 4364, 4998, 6546, 6664, 7637, 8728, 9996, 13092, 15274, 18547, 19992, 22911, 26184, 30548, 37094, 45822, 53459, 55641, 61096, 74188, 91644, 106918, 111282, 129829, 148376, 160377, 183288, 213836, 222564, 259658, 320754, 389487, 427672, 445128, 519316, 641508, 778974, 908803, 1038632, 1283016, 1557948, 1817606, 2726409, 3115896, 3635212, 5452818, 7270424, 10905636, 21811272]

約数ペア:

[(1, 21811272), (2, 10905636), (3, 7270424), (4, 5452818), (6, 3635212), (7, 3115896), (8, 2726409), (12, 1817606), (14, 1557948), (17, 1283016), (21, 1038632), (24, 908803), (28, 778974), (34, 641508), (42, 519316), (49, 445128), (51, 427672), (56, 389487), (68, 320754), (84, 259658), (98, 222564), (102, 213836), (119, 183288), (136, 160377), (147, 148376), (168, 129829), (196, 111282), (204, 106918), (238, 91644), (294, 74188), (357, 61096), (392, 55641), (408, 53459), (476, 45822), (588, 37094), (714, 30548), (833, 26184), (952, 22911), (1091, 19992), (1176, 18547), (1428, 15274), (1666, 13092), (2182, 9996), (2499, 8728), (2856, 7637), (3273, 6664), (3332, 6546), (4364, 4998)]