21954885

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1231}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 15300795

約数列:

[1, 3, 5, 15, 29, 41, 87, 123, 145, 205, 435, 615, 1189, 1231, 3567, 3693, 5945, 6155, 17835, 18465, 35699, 50471, 107097, 151413, 178495, 252355, 535485, 757065, 1463659, 4390977, 7318295, 21954885]

約数ペア:

[(1, 21954885), (3, 7318295), (5, 4390977), (15, 1463659), (29, 757065), (41, 535485), (87, 252355), (123, 178495), (145, 151413), (205, 107097), (435, 50471), (615, 35699), (1189, 18465), (1231, 17835), (3567, 6155), (3693, 5945)]