21315210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{101501}}^1$

素因数の和:101518

約数の個数: 32

約数和(自身を含む): 58465152

約数和(自身を除く): 37149942

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 101501, 203002, 304503, 507505, 609006, 710507, 1015010, 1421014, 1522515, 2131521, 3045030, 3552535, 4263042, 7105070, 10657605, 21315210]

約数ペア:

[(1, 21315210), (2, 10657605), (3, 7105070), (5, 4263042), (6, 3552535), (7, 3045030), (10, 2131521), (14, 1522515), (15, 1421014), (21, 1015010), (30, 710507), (35, 609006), (42, 507505), (70, 304503), (105, 203002), (210, 101501)]