21281076

素因数分解:

$2^2\times 3^3\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{173}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 59633280

約数和(自身を除く): 38352204

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 51, 54, 67, 68, 102, 108, 134, 153, 173, 201, 204, 268, 306, 346, 402, 459, 519, 603, 612, 692, 804, 918, 1038, 1139, 1206, 1557, 1809, 1836, 2076, 2278, 2412, 2941, 3114, 3417, 3618, 4556, 4671, 5882, 6228, 6834, 7236, 8823, 9342, 10251, 11591, 11764, 13668, 17646, 18684, 20502, 23182, 26469, 30753, 34773, 35292, 41004, 46364, 52938, 61506, 69546, 79407, 104319, 105876, 123012, 139092, 158814, 197047, 208638, 312957, 317628, 394094, 417276, 591141, 625914, 788188, 1182282, 1251828, 1773423, 2364564, 3546846, 5320269, 7093692, 10640538, 21281076]

約数ペア:

[(1, 21281076), (2, 10640538), (3, 7093692), (4, 5320269), (6, 3546846), (9, 2364564), (12, 1773423), (17, 1251828), (18, 1182282), (27, 788188), (34, 625914), (36, 591141), (51, 417276), (54, 394094), (67, 317628), (68, 312957), (102, 208638), (108, 197047), (134, 158814), (153, 139092), (173, 123012), (201, 105876), (204, 104319), (268, 79407), (306, 69546), (346, 61506), (402, 52938), (459, 46364), (519, 41004), (603, 35292), (612, 34773), (692, 30753), (804, 26469), (918, 23182), (1038, 20502), (1139, 18684), (1206, 17646), (1557, 13668), (1809, 11764), (1836, 11591), (2076, 10251), (2278, 9342), (2412, 8823), (2941, 7236), (3114, 6834), (3417, 6228), (3618, 5882), (4556, 4671)]