21408732

素因数分解:

$2^2\times 3^3\times {\mathrm{167}}^1\times {\mathrm{1187}}^1$

素因数の和:1367

約数の個数: 48

約数和(自身を含む): 55883520

約数和(自身を除く): 34474788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 167, 334, 501, 668, 1002, 1187, 1503, 2004, 2374, 3006, 3561, 4509, 4748, 6012, 7122, 9018, 10683, 14244, 18036, 21366, 32049, 42732, 64098, 128196, 198229, 396458, 594687, 792916, 1189374, 1784061, 2378748, 3568122, 5352183, 7136244, 10704366, 21408732]

約数ペア:

[(1, 21408732), (2, 10704366), (3, 7136244), (4, 5352183), (6, 3568122), (9, 2378748), (12, 1784061), (18, 1189374), (27, 792916), (36, 594687), (54, 396458), (108, 198229), (167, 128196), (334, 64098), (501, 42732), (668, 32049), (1002, 21366), (1187, 18036), (1503, 14244), (2004, 10683), (2374, 9018), (3006, 7122), (3561, 6012), (4509, 4748)]