21407300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^2\times {\mathrm{593}}^1$

素因数の和:645

約数の個数: 54

約数和(自身を含む): 49110138

約数和(自身を除く): 27702838

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 361, 380, 475, 593, 722, 950, 1186, 1444, 1805, 1900, 2372, 2965, 3610, 5930, 7220, 9025, 11267, 11860, 14825, 18050, 22534, 29650, 36100, 45068, 56335, 59300, 112670, 214073, 225340, 281675, 428146, 563350, 856292, 1070365, 1126700, 2140730, 4281460, 5351825, 10703650, 21407300]

約数ペア:

[(1, 21407300), (2, 10703650), (4, 5351825), (5, 4281460), (10, 2140730), (19, 1126700), (20, 1070365), (25, 856292), (38, 563350), (50, 428146), (76, 281675), (95, 225340), (100, 214073), (190, 112670), (361, 59300), (380, 56335), (475, 45068), (593, 36100), (722, 29650), (950, 22534), (1186, 18050), (1444, 14825), (1805, 11860), (1900, 11267), (2372, 9025), (2965, 7220), (3610, 5930)]