21062106

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:237

約数の個数: 80

約数和(自身を含む): 51897384

約数和(自身を除く): 30835278

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 73, 78, 81, 117, 137, 146, 162, 219, 234, 274, 351, 411, 438, 657, 702, 822, 949, 1053, 1233, 1314, 1781, 1898, 1971, 2106, 2466, 2847, 3562, 3699, 3942, 5343, 5694, 5913, 7398, 8541, 10001, 10686, 11097, 11826, 16029, 17082, 20002, 22194, 25623, 30003, 32058, 48087, 51246, 60006, 76869, 90009, 96174, 130013, 144261, 153738, 180018, 260026, 270027, 288522, 390039, 540054, 780078, 810081, 1170117, 1620162, 2340234, 3510351, 7020702, 10531053, 21062106]

約数ペア:

[(1, 21062106), (2, 10531053), (3, 7020702), (6, 3510351), (9, 2340234), (13, 1620162), (18, 1170117), (26, 810081), (27, 780078), (39, 540054), (54, 390039), (73, 288522), (78, 270027), (81, 260026), (117, 180018), (137, 153738), (146, 144261), (162, 130013), (219, 96174), (234, 90009), (274, 76869), (351, 60006), (411, 51246), (438, 48087), (657, 32058), (702, 30003), (822, 25623), (949, 22194), (1053, 20002), (1233, 17082), (1314, 16029), (1781, 11826), (1898, 11097), (1971, 10686), (2106, 10001), (2466, 8541), (2847, 7398), (3562, 5913), (3699, 5694), (3942, 5343)]