21549850

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2677}}^1$

素因数の和:2719

約数の個数: 48

約数和(自身を含む): 47818368

約数和(自身を除く): 26268518

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 161, 175, 230, 322, 350, 575, 805, 1150, 1610, 2677, 4025, 5354, 8050, 13385, 18739, 26770, 37478, 61571, 66925, 93695, 123142, 133850, 187390, 307855, 430997, 468475, 615710, 861994, 936950, 1539275, 2154985, 3078550, 4309970, 10774925, 21549850]

約数ペア:

[(1, 21549850), (2, 10774925), (5, 4309970), (7, 3078550), (10, 2154985), (14, 1539275), (23, 936950), (25, 861994), (35, 615710), (46, 468475), (50, 430997), (70, 307855), (115, 187390), (161, 133850), (175, 123142), (230, 93695), (322, 66925), (350, 61571), (575, 37478), (805, 26770), (1150, 18739), (1610, 13385), (2677, 8050), (4025, 5354)]