21163872

素因数分解:

$2^5\times 3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{283}}^1$

素因数の和:356

約数の個数: 96

約数和(自身を含む): 60117120

約数和(自身を除く): 38953248

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 41, 48, 57, 76, 82, 96, 114, 123, 152, 164, 228, 246, 283, 304, 328, 456, 492, 566, 608, 656, 779, 849, 912, 984, 1132, 1312, 1558, 1698, 1824, 1968, 2264, 2337, 3116, 3396, 3936, 4528, 4674, 5377, 6232, 6792, 9056, 9348, 10754, 11603, 12464, 13584, 16131, 18696, 21508, 23206, 24928, 27168, 32262, 34809, 37392, 43016, 46412, 64524, 69618, 74784, 86032, 92824, 129048, 139236, 172064, 185648, 220457, 258096, 278472, 371296, 440914, 516192, 556944, 661371, 881828, 1113888, 1322742, 1763656, 2645484, 3527312, 5290968, 7054624, 10581936, 21163872]

約数ペア:

[(1, 21163872), (2, 10581936), (3, 7054624), (4, 5290968), (6, 3527312), (8, 2645484), (12, 1763656), (16, 1322742), (19, 1113888), (24, 881828), (32, 661371), (38, 556944), (41, 516192), (48, 440914), (57, 371296), (76, 278472), (82, 258096), (96, 220457), (114, 185648), (123, 172064), (152, 139236), (164, 129048), (228, 92824), (246, 86032), (283, 74784), (304, 69618), (328, 64524), (456, 46412), (492, 43016), (566, 37392), (608, 34809), (656, 32262), (779, 27168), (849, 24928), (912, 23206), (984, 21508), (1132, 18696), (1312, 16131), (1558, 13584), (1698, 12464), (1824, 11603), (1968, 10754), (2264, 9348), (2337, 9056), (3116, 6792), (3396, 6232), (3936, 5377), (4528, 4674)]