21182904

素因数分解:

$2^3\times 3^3\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 59220000

約数和(自身を除く): 38037096

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 281, 349, 562, 698, 843, 1047, 1124, 1396, 1686, 2094, 2248, 2529, 2792, 3141, 3372, 4188, 5058, 6282, 6744, 7587, 8376, 9423, 10116, 12564, 15174, 18846, 20232, 25128, 30348, 37692, 60696, 75384, 98069, 196138, 294207, 392276, 588414, 784552, 882621, 1176828, 1765242, 2353656, 2647863, 3530484, 5295726, 7060968, 10591452, 21182904]

約数ペア:

[(1, 21182904), (2, 10591452), (3, 7060968), (4, 5295726), (6, 3530484), (8, 2647863), (9, 2353656), (12, 1765242), (18, 1176828), (24, 882621), (27, 784552), (36, 588414), (54, 392276), (72, 294207), (108, 196138), (216, 98069), (281, 75384), (349, 60696), (562, 37692), (698, 30348), (843, 25128), (1047, 20232), (1124, 18846), (1396, 15174), (1686, 12564), (2094, 10116), (2248, 9423), (2529, 8376), (2792, 7587), (3141, 6744), (3372, 6282), (4188, 5058)]