21304296

素因数分解:

$2^3\times 3^6\times {\mathrm{13}}^1\times {\mathrm{281}}^1$

素因数の和:318

約数の個数: 112

約数和(自身を含む): 64727460

約数和(自身を除く): 43423164

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 81, 104, 108, 117, 156, 162, 216, 234, 243, 281, 312, 324, 351, 468, 486, 562, 648, 702, 729, 843, 936, 972, 1053, 1124, 1404, 1458, 1686, 1944, 2106, 2248, 2529, 2808, 2916, 3159, 3372, 3653, 4212, 5058, 5832, 6318, 6744, 7306, 7587, 8424, 9477, 10116, 10959, 12636, 14612, 15174, 18954, 20232, 21918, 22761, 25272, 29224, 30348, 32877, 37908, 43836, 45522, 60696, 65754, 68283, 75816, 87672, 91044, 98631, 131508, 136566, 182088, 197262, 204849, 263016, 273132, 295893, 394524, 409698, 546264, 591786, 789048, 819396, 887679, 1183572, 1638792, 1775358, 2367144, 2663037, 3550716, 5326074, 7101432, 10652148, 21304296]

約数ペア:

[(1, 21304296), (2, 10652148), (3, 7101432), (4, 5326074), (6, 3550716), (8, 2663037), (9, 2367144), (12, 1775358), (13, 1638792), (18, 1183572), (24, 887679), (26, 819396), (27, 789048), (36, 591786), (39, 546264), (52, 409698), (54, 394524), (72, 295893), (78, 273132), (81, 263016), (104, 204849), (108, 197262), (117, 182088), (156, 136566), (162, 131508), (216, 98631), (234, 91044), (243, 87672), (281, 75816), (312, 68283), (324, 65754), (351, 60696), (468, 45522), (486, 43836), (562, 37908), (648, 32877), (702, 30348), (729, 29224), (843, 25272), (936, 22761), (972, 21918), (1053, 20232), (1124, 18954), (1404, 15174), (1458, 14612), (1686, 12636), (1944, 10959), (2106, 10116), (2248, 9477), (2529, 8424), (2808, 7587), (2916, 7306), (3159, 6744), (3372, 6318), (3653, 5832), (4212, 5058)]