21963144

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{547}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 63129600

約数和(自身を除く): 41166456

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 239, 478, 547, 717, 956, 1094, 1434, 1641, 1673, 1912, 2188, 2868, 3282, 3346, 3829, 4376, 5019, 5736, 6564, 6692, 7658, 10038, 11487, 13128, 13384, 15316, 20076, 22974, 30632, 40152, 45948, 91896, 130733, 261466, 392199, 522932, 784398, 915131, 1045864, 1568796, 1830262, 2745393, 3137592, 3660524, 5490786, 7321048, 10981572, 21963144]

約数ペア:

[(1, 21963144), (2, 10981572), (3, 7321048), (4, 5490786), (6, 3660524), (7, 3137592), (8, 2745393), (12, 1830262), (14, 1568796), (21, 1045864), (24, 915131), (28, 784398), (42, 522932), (56, 392199), (84, 261466), (168, 130733), (239, 91896), (478, 45948), (547, 40152), (717, 30632), (956, 22974), (1094, 20076), (1434, 15316), (1641, 13384), (1673, 13128), (1912, 11487), (2188, 10038), (2868, 7658), (3282, 6692), (3346, 6564), (3829, 5736), (4376, 5019)]