21012065040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4607909}}^1$

素因数の和:4607944

約数の個数: 80

約数和(自身を含む): 68565700800

約数和(自身を除く): 47553635760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4560, 4607909, 9215818, 13823727, 18431636, 23039545, 27647454, 36863272, 46079090, 55294908, 69118635, 73726544, 87550271, 92158180, 110589816, 138237270, 175100542, 184316360, 221179632, 262650813, 276474540, 350201084, 368632720, 437751355, 525301626, 552949080, 700402168, 875502710, 1050603252, 1105898160, 1313254065, 1400804336, 1751005420, 2101206504, 2626508130, 3502010840, 4202413008, 5253016260, 7004021680, 10506032520, 21012065040]

約数ペア:

[(1, 21012065040), (2, 10506032520), (3, 7004021680), (4, 5253016260), (5, 4202413008), (6, 3502010840), (8, 2626508130), (10, 2101206504), (12, 1751005420), (15, 1400804336), (16, 1313254065), (19, 1105898160), (20, 1050603252), (24, 875502710), (30, 700402168), (38, 552949080), (40, 525301626), (48, 437751355), (57, 368632720), (60, 350201084), (76, 276474540), (80, 262650813), (95, 221179632), (114, 184316360), (120, 175100542), (152, 138237270), (190, 110589816), (228, 92158180), (240, 87550271), (285, 73726544), (304, 69118635), (380, 55294908), (456, 46079090), (570, 36863272), (760, 27647454), (912, 23039545), (1140, 18431636), (1520, 13823727), (2280, 9215818), (4560, 4607909)]