21873306

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:188

約数の個数: 96

約数和(自身を含む): 56306880

約数和(自身を除く): 34433574

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 39, 42, 49, 59, 78, 91, 97, 98, 118, 147, 177, 182, 194, 273, 291, 294, 354, 413, 546, 582, 637, 679, 767, 826, 1239, 1261, 1274, 1358, 1534, 1911, 2037, 2301, 2478, 2522, 2891, 3783, 3822, 4074, 4602, 4753, 5369, 5723, 5782, 7566, 8673, 8827, 9506, 10738, 11446, 14259, 16107, 17169, 17346, 17654, 26481, 28518, 32214, 34338, 37583, 40061, 52962, 61789, 74399, 75166, 80122, 112749, 120183, 123578, 148798, 185367, 223197, 225498, 240366, 280427, 370734, 446394, 520793, 560854, 841281, 1041586, 1562379, 1682562, 3124758, 3645551, 7291102, 10936653, 21873306]

約数ペア:

[(1, 21873306), (2, 10936653), (3, 7291102), (6, 3645551), (7, 3124758), (13, 1682562), (14, 1562379), (21, 1041586), (26, 841281), (39, 560854), (42, 520793), (49, 446394), (59, 370734), (78, 280427), (91, 240366), (97, 225498), (98, 223197), (118, 185367), (147, 148798), (177, 123578), (182, 120183), (194, 112749), (273, 80122), (291, 75166), (294, 74399), (354, 61789), (413, 52962), (546, 40061), (582, 37583), (637, 34338), (679, 32214), (767, 28518), (826, 26481), (1239, 17654), (1261, 17346), (1274, 17169), (1358, 16107), (1534, 14259), (1911, 11446), (2037, 10738), (2301, 9506), (2478, 8827), (2522, 8673), (2891, 7566), (3783, 5782), (3822, 5723), (4074, 5369), (4602, 4753)]