21289215864

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{5431}}^1\times {\mathrm{23333}}^1$

素因数の和:28780

約数の個数: 64

約数和(自身を含む): 60840138240

約数和(自身を除く): 39550922376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 5431, 10862, 16293, 21724, 23333, 32586, 38017, 43448, 46666, 65172, 69999, 76034, 93332, 114051, 130344, 139998, 152068, 163331, 186664, 228102, 279996, 304136, 326662, 456204, 489993, 559992, 653324, 912408, 979986, 1306648, 1959972, 3919944, 126721523, 253443046, 380164569, 506886092, 760329138, 887050661, 1013772184, 1520658276, 1774101322, 2661151983, 3041316552, 3548202644, 5322303966, 7096405288, 10644607932, 21289215864]

約数ペア:

[(1, 21289215864), (2, 10644607932), (3, 7096405288), (4, 5322303966), (6, 3548202644), (7, 3041316552), (8, 2661151983), (12, 1774101322), (14, 1520658276), (21, 1013772184), (24, 887050661), (28, 760329138), (42, 506886092), (56, 380164569), (84, 253443046), (168, 126721523), (5431, 3919944), (10862, 1959972), (16293, 1306648), (21724, 979986), (23333, 912408), (32586, 653324), (38017, 559992), (43448, 489993), (46666, 456204), (65172, 326662), (69999, 304136), (76034, 279996), (93332, 228102), (114051, 186664), (130344, 163331), (139998, 152068)]