21582236

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{191}}^1$

素因数の和:302

約数の個数: 48

約数和(自身を含む): 42674688

約数和(自身を除く): 21092452

約数列:

[1, 2, 4, 13, 26, 41, 52, 53, 82, 106, 164, 191, 212, 382, 533, 689, 764, 1066, 1378, 2132, 2173, 2483, 2756, 4346, 4966, 7831, 8692, 9932, 10123, 15662, 20246, 28249, 31324, 40492, 56498, 101803, 112996, 131599, 203606, 263198, 407212, 415043, 526396, 830086, 1660172, 5395559, 10791118, 21582236]

約数ペア:

[(1, 21582236), (2, 10791118), (4, 5395559), (13, 1660172), (26, 830086), (41, 526396), (52, 415043), (53, 407212), (82, 263198), (106, 203606), (164, 131599), (191, 112996), (212, 101803), (382, 56498), (533, 40492), (689, 31324), (764, 28249), (1066, 20246), (1378, 15662), (2132, 10123), (2173, 9932), (2483, 8692), (2756, 7831), (4346, 4966)]