21229384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12697}}^1$

素因数の和:12733

約数の個数: 32

約数和(自身を含む): 45712800

約数和(自身を除く): 24483416

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 152, 209, 418, 836, 1672, 12697, 25394, 50788, 101576, 139667, 241243, 279334, 482486, 558668, 964972, 1117336, 1929944, 2653673, 5307346, 10614692, 21229384]

約数ペア:

[(1, 21229384), (2, 10614692), (4, 5307346), (8, 2653673), (11, 1929944), (19, 1117336), (22, 964972), (38, 558668), (44, 482486), (76, 279334), (88, 241243), (152, 139667), (209, 101576), (418, 50788), (836, 25394), (1672, 12697)]